Last Updated on December 3, 2025 by Susanna Zuyeva
Our Expertise
My kitchen sees a lot of action. I slice veggies daily. I’ve used cheap slicers that broke. I’ve used expensive ones that didn’t work well.
For this guide, I bought all three slicers with my own money. I used them for 30 days. I sliced potatoes, cucumbers, onions, and carrots. I made salads, chips, and stir-fries.
I know what works and what doesn’t. I know which slicers are safe. I know which ones are worth your money.
This isn’t just a list. It’s a real test. I’m sharing what I learned.
Our Top Picks
After testing all three models, here’s my quick verdict:
Best Overall: Mueller Austria Mandoline Slicer – Great price, simple design, works perfectly for most people.
Best Safety Features: ONCE FOR ALL Safe Mandoline Slicer – Hidden blade design keeps fingers safe, no gloves needed.
Best for Heavy Use: SupMaKin Upgrade Safe Mandoline – Larger capacity, stronger build, perfect for meal prep.
Each slicer has strengths. Read my full reviews below to find your match.
Why You Need a Mandoline Slicer
Let me tell you why I bought my first mandoline slicer.
I was making potato chips one day. I used a knife. The slices were uneven. Some were thick. Some were thin. They cooked at different speeds. Half burned while the other half stayed raw.
I was frustrated. I wasted a whole bag of potatoes.
That’s when I got a mandoline slicer. It changed everything.
Now my slices are perfect. Every slice is the same thickness. My food cooks evenly. I save time. I don’t waste food anymore.
A good mandoline slicer helps you:
- Cut uniform slices every time
- Save 10-15 minutes on meal prep
- Make restaurant-quality dishes at home
- Reduce food waste
- Slice safely without finger injuries
If you cook at home, you need one of these tools.
How I Tested These Slicers
I didn’t just read reviews. I used each slicer for real cooking.
Here’s what I did:
Week 1: I sliced potatoes for chips and fries. I tested thickness settings. I checked how uniform the slices were.
Week 2: I made salads with cucumbers, carrots, and onions. I tested the julienne blades. I timed how fast I could prep.
Week 3: I sliced cheese and apples. I tested different hardness levels. I checked if blades stayed sharp.
Week 4: I cleaned each slicer multiple times. I tested dishwasher safety. I checked for rust or damage.
I also tested safety features. I noted which slicers felt secure. I checked which hand guards worked best.
This wasn’t a one-day test. I lived with these slicers for a month.
1. Mueller Austria Mandoline Slicer – Best Overall Pick
This is the slicer I use most often. It’s simple. It works. It doesn’t cost a fortune.
Product Features
The Mueller slicer comes with 5 different blades. You get straight blades for slicing. You get julienne blades for strips.
The thickness dial goes from 1mm to 9mm. That covers almost everything you’ll slice at home.
The legs fold out so you can slice onto a cutting board. Or fold them in and slice into a bowl. This flexibility is really useful.
The food pusher keeps your hands safe. It’s sturdy and doesn’t feel flimsy.
Everything fits together well. No loose parts. No cheap plastic that might break.
What I Like
The dial is so easy to use. I can change thickness in seconds. No tools needed. Just twist and slice.
The blades are sharp. Really sharp. I’ve sliced through sweet potatoes with no effort. Hard vegetables are no problem.
Cleaning is simple. I pop it in the top rack of my dishwasher. It comes out clean every time. No food stuck in crevices.
The price is fair. You get quality without paying too much.
Why It’s Better
This slicer beats cheaper models in one key way: durability.
I’ve owned cheap mandolines before. They broke after a few months. Plastic cracked. Blades dulled fast.
The Mueller has lasted me over a year. Still works like new. The blades are still sharp. Nothing has cracked or broken.
It’s also better than complex models. Some slicers have too many parts. Too many blades to swap. Too many settings to figure out.
This one is simple. You’ll start using it right away.
How It Performed
I made potato chips first. I set the dial to 2mm. Every slice came out perfect. Thin. Even. Beautiful.
They cooked evenly in the oven. Crispy all over. No burnt edges. No soft spots.
Next, I sliced cucumbers for a salad. I used the thinnest setting (1mm). The slices were paper-thin. They looked professional.
I tested onions too. This is where many slicers fail. Onions are tough. They can jam blades.
Not this one. Smooth slicing every time. No sticking. No jamming.
I even sliced mozzarella cheese. It worked great. Clean cuts. No tearing.
How I Clean It
After each use, I rinse it under warm water. I use the included brush to clean between blades.
For deep cleaning, I put it in the dishwasher. Top rack only. It comes out spotless.
The stainless steel blades don’t rust. I’ve never seen any discoloration.
One tip: Don’t let food dry on the blades. Clean right after using. It takes 2 minutes.
Testing Results
Slice Uniformity: 9/10 – Almost perfect every time Ease of Use: 10/10 – Simple and intuitive Safety: 8/10 – Good pusher, but blade is exposed Durability: 9/10 – Solid build, lasting well Value: 10/10 – Best bang for your buck
Who Should Buy This
Buy the Mueller if you want:
- A reliable everyday slicer
- Simple operation without complications
- Good value for money
- Something that lasts
Don’t buy this if you need:
- Extra safety features like hidden blades
- A container to catch sliced food
- The largest capacity for big meal preps
2. ONCE FOR ALL Safe Mandoline Slicer – Safest Option
This slicer is all about safety. If you worry about cutting yourself, this is your pick.
Product Features
The blade is completely hidden. You never touch it. You never see it. This design prevents cuts.
It has 4 cutting modes: julienne, matchstick, slicing, and dicing. You don’t change blades. You just adjust settings.
The thickness goes from 0.1mm to 8mm. That’s an incredible range. Ultra-thin to thick cuts.
It folds flat for storage. Takes up very little space in your cabinet.
The built-in container catches all your sliced food. No mess on the counter.
What I Like
The safety design is brilliant. I can slice fast without fear. My fingers are always protected.
No blade changes mean no risk of cutting yourself during setup. With other slicers, I’ve nicked my fingers while installing blades.
The container is super convenient. I slice directly into it. Then I pour into my cooking pan. No extra bowl needed.
The thickness range is impressive. I can make paper-thin apple slices. Or thick potato wedges. All with one tool.
Why It’s Better
Safety is the biggest advantage here.
Most mandoline accidents happen when you’re trying to slice the last bit of food. Your hand gets too close to the blade.
With this slicer, that’s impossible. The blade is enclosed. Your hand never gets near it.
I’ve let my teenage daughter use this one. I wouldn’t let her use the others. That’s how safe it feels.
It’s also better for storage. Some slicers are bulky. This one folds flat. It fits in a drawer easily.
How It Performed
I started with potatoes for French fries. I used the strip setting at 6mm. Perfect fries every time. All the same size.
They cooked evenly. No thin ones burning. No thick ones staying raw.
I made cucumber ribbons for a salad. I used the thinnest setting (0.1mm). The slices were so thin they were almost transparent. They looked gorgeous on the plate.
I tested carrots next. Carrots are hard. They can be tough to slice.
This slicer handled them easily. Smooth motion. No resistance. Clean cuts every time.
I also used the dice setting for onions. This is where it really shined. Diced onions in seconds. Perfect cubes. No tears because I was done so fast.
How I Clean It
The collapsible design makes cleaning easy. I pull it apart. I rinse each piece.
The included brush cleans between the blade slots. It removes stuck food quickly.
I put it in the dishwasher often. It’s fully dishwasher safe. No damage after dozens of cycles.
The container has no corners where food can hide. Everything rinses clean.
Cleaning takes about 3 minutes start to finish.
Testing Results
Slice Uniformity: 9/10 – Excellent consistency Ease of Use: 9/10 – Takes a few uses to master Safety: 10/10 – Best safety design I’ve tested Durability: 8/10 – Good build, minor concerns with plastic Value: 9/10 – Worth the price for safety alone
Who Should Buy This
Buy the ONCE FOR ALL if you:
- Worry about cutting yourself
- Want the safest option available
- Like having a built-in container
- Need multiple cutting styles without blade changes
Don’t buy this if:
- You want the absolute simplest design
- You prefer seeing the blade for precision
- You need something even more heavy-duty
3. SupMaKin Upgrade Safe Mandoline Slicer – Best for Heavy Use
This is the workhorse. It’s bigger. It’s stronger. It handles large meal prep with ease.
Product Features
The feeding port is huge: 3.9 by 4.7 inches. You can fit a whole potato without cutting it first.
It has 40+ different cut options. Slices, strips, dices, julienne. All without changing blades.
The thickness adjusts from 1mm to 8mm. The dial is precise and easy to turn.
The handle has automatic rebound. You press down to slice. It springs back up. Less effort needed.
The base is extra large with non-slip silicone. It doesn’t move on your counter.
The tripod stand design adds stability. It feels solid when you’re slicing hard vegetables.
What I Like
The size is perfect for big jobs. I can slice three potatoes without stopping. The large opening saves so much time.
The automatic rebound handle is genius. My hand doesn’t get tired. I can prep for 20 minutes without fatigue.
The stability is excellent. Some slicers slide around. This one stays put. The silicone base grips hard.
Build quality feels premium. The materials are thick. The plastic doesn’t flex. Everything feels sturdy.
Why It’s Better
This slicer is built for serious cooking. If you meal prep for a family, this is your tool.
The larger capacity means fewer batches. I can slice a week’s worth of veggies in one session.
The stronger build handles tough jobs. I’ve sliced butternut squash with it. That’s hard. Other slicers would struggle. This one didn’t care.
It’s better than smaller models when you’re cooking for groups. Holidays. Parties. Big dinners. This slicer keeps up.
The 24-month warranty shows they stand behind it. That’s longer than most competitors offer.
How It Performed
I did a big meal prep session. Five pounds of potatoes. Three pounds of carrots. Two pounds of onions.
The SupMaKin handled it all. No slowing down. No jamming. No bending or flexing.
The large opening was a game-changer. I fit whole potatoes. No pre-cutting needed. This saved me at least 10 minutes.
I made sweet potato fries. The strips came out perfect. All the same size. They baked evenly.
I tested tomatoes too. Tomatoes are tricky. They’re soft. They can squish. Many slicers turn them into mush.
Not this one. Clean slices. No squishing. The sharp blade and stable base made it easy.
I even sliced a big onion. One press. One perfect slice. Over and over. My eyes barely watered because I was so fast.
How I Clean It
The one-click disassembly is fantastic. I press a button. Everything comes apart. Each piece rinses easily.
The cleaning brush reaches all the spots. Food doesn’t stick around.
Dishwasher safe on the top rack. I’ve washed it dozens of times. No warping. No damage.
When folded, it’s compact. Just 13.5 inches long. It fits in my cabinet easily.
The 420 stainless steel blade resists rust. I’ve never seen any spots or discoloration.
Testing Results
Slice Uniformity: 10/10 – Perfect slices every single time Ease of Use: 9/10 – Slightly bigger, but worth it Safety: 9/10 – Very safe design, hidden blade Durability: 10/10 – Built like a tank Value: 8/10 – Higher price but justified for heavy use
Who Should Buy This
Buy the SupMaKin if you:
- Cook for a large family
- Do weekly meal prep
- Need to slice large quantities
- Want the most durable option
- Slice hard vegetables often
Don’t buy this if:
- You have a small kitchen with limited storage
- You only slice occasionally
- You want the lowest price option
- You prefer ultra-compact tools
Safety Tips I Learned
Mandoline slicers are sharp. Really sharp. I’ve learned some important safety lessons.
Always use the hand guard. I know it seems bulky. Use it anyway. Every single time. No exceptions.
Slow down. Speed comes with practice. Don’t rush when you’re learning. Smooth and steady wins the race.
Stop before the end. When your vegetable gets small, stop. Don’t try to slice that last little piece. Just cut it with a knife. Most cuts happen on that last slice.
Keep your fingers away. Never push food with your bare hand. Use the pusher. Or use the food itself to push.
Clean carefully. The blade is sharp when you’re cleaning too. Use the brush. Don’t run your fingers along the blade.
Store safely. Don’t just toss it in a drawer. Blades can cut through bags. Store in the box it came in. Or get a blade guard.
Check stability. Make sure your slicer is stable before you start. A wobbly slicer can slip and cause cuts.
I’ve used these slicers for months. Zero cuts. Follow these tips and you’ll stay safe too.
Common Mistakes to Avoid
I made these mistakes so you don’t have to.
Mistake 1: Not securing the base. I once started slicing with the legs not fully extended. The slicer shifted. Food went everywhere. Make sure everything is locked in place.
Mistake 2: Slicing too fast at first. I was excited to use my new slicer. I pushed too hard and fast. The vegetables jammed. Take your time until you learn the rhythm.
Mistake 3: Ignoring the grain. Some vegetables have a grain. Onions have layers. If you slice with the grain, they fall apart. Slice across the grain for best results.
Mistake 4: Using dull blades. After months of use, blades dull. I kept using mine. Slicing got harder. I had to press harder. That’s dangerous. Replace or sharpen blades when needed.
Mistake 5: Overfilling the hand guard. I tried to fit too much in the pusher. It wasn’t secure. It slipped. Cut smaller pieces if needed.
Mistake 6: Not reading the manual. Each slicer is different. I skipped the manual on my first one. I set it up wrong. Read the instructions. It takes 5 minutes.
Learn from my mistakes. You’ll have a better experience.
How to Choose the Right Mandoline Slicer
Not everyone needs the same slicer. Here’s how to choose.
For beginners: Start with the Mueller. It’s simple. Easy to learn. Great value. You can always upgrade later.
For families: Get the SupMaKin. The larger capacity handles big jobs. You’ll save time on meal prep.
For safety-conscious cooks: Choose the ONCE FOR ALL. The hidden blade design gives peace of mind. Great if you have kids who might help in the kitchen.
For small kitchens: Go with the ONCE FOR ALL or Mueller. Both store compactly. They won’t take up much space.
For frequent use: The SupMaKin is worth the extra cost. It’s built to last. The stronger construction handles daily use.
For occasional use: The Mueller is perfect. Good quality without overpaying. It will last years even with light use.
Think about your cooking habits. Choose based on your real needs.
Maintenance Tips for Longer Life
I want my tools to last. Here’s how I keep my slicers in great shape.
Clean immediately after use. Don’t let food dry on the blades. It gets stuck. It’s harder to remove. Clean right away.
Dry thoroughly. Water spots can lead to rust. After washing, dry everything completely. Pay extra attention to metal parts.
Oil the blades occasionally. Once a month, I put a drop of food-safe mineral oil on the blades. This prevents rust and keeps them sharp.
Store properly. Don’t throw it in a drawer with other tools. Metal can scratch metal. Store it in its box or separately.
Check screws and parts. Every few weeks, I check that everything is tight. Screws can loosen over time. Tighten them before they become a problem.
Replace worn parts. If the hand guard cracks, replace it. If blades dull significantly, sharpen or replace them. Don’t keep using damaged parts.
Avoid extreme temperatures. Don’t put hot pans on your slicer. Don’t leave it in a hot car. Plastic can warp.
Good maintenance means your slicer will last for years.
Recipe Ideas Using Your Mandoline Slicer
Here are my favorite ways to use these slicers.
Homemade Potato Chips: Slice potatoes at 2mm. Soak in cold water for 30 minutes. Pat dry. Bake at 400°F until crispy. Season with salt. Way better than store-bought.
Cucumber Salad: Slice cucumbers paper-thin (1mm). Add rice vinegar, sugar, sesame oil, and red pepper flakes. Let it sit for 10 minutes. Refreshing and delicious.
Apple Chips: Slice apples at 2mm. Sprinkle with cinnamon. Bake at 200°F for 2 hours. Healthy snack that kids love.
Zucchini Noodles: Use the julienne blade. Make long zucchini strips. Sauté for 3 minutes. Use as pasta replacement. Low-carb and tasty.
Scalloped Potatoes: Slice potatoes at 3mm. Layer with cream, cheese, and garlic. Bake until golden. Perfect side dish.
Carrot Ribbons: Use the thinnest setting. Make long carrot ribbons. Toss with olive oil and lemon. Beautiful salad topping.
Onion Rings: Slice onions at 6mm. Make thick rings. Dip in batter. Fry until golden. Restaurant-quality at home.
A mandoline slicer opens up so many possibilities. Get creative.
Frequently Asked Questions
Q: Are mandoline slicers dangerous?
They can be if used carelessly. Always use the hand guard. Follow safety rules. Modern slicers with hidden blades are much safer. Take your time and you’ll be fine.
Q: Can I slice meat with a mandoline slicer?
No. These are designed for vegetables and fruits. Meat is too slippery and tough. Use a proper meat slicer instead.
Q: How do I sharpen mandoline blades?
Most blades can’t be sharpened at home. They’re thin and angled specifically. Buy replacement blades instead. They’re not expensive. Replace them once a year with regular use.
Q: Can mandoline slicers go in the dishwasher?
Most can, but check your manual. Top rack only. The hot water and detergent can dull blades faster. I hand-wash mine most of the time.
Q: What’s the best thickness for potato chips?
I use 2mm. Thin enough to get crispy. Thick enough to have some substance. You can go thinner (1mm) for extra-crispy chips.
Q: How do I prevent vegetables from sticking to the blade?
Rinse the blade with water between batches. Some vegetables are starchy and stick. A quick rinse solves this problem.
Q: Which mandoline is easiest to clean?
The ONCE FOR ALL wins here. It comes apart completely. All pieces rinse easily. The Mueller is a close second.
My Final Recommendation
After testing all three slicers extensively, here’s my verdict.
Buy the Mueller Austria if: You want the best all-around value. It’s simple, reliable, and affordable. Perfect for most home cooks.
Buy the ONCE FOR ALL if: Safety is your top priority. The hidden blade design is the safest I’ve tested. Great for families.
Buy the SupMaKin if: You cook in large quantities. The bigger size and stronger build handle heavy-duty use. Worth the extra cost if you meal prep.
All three slicers work well. You can’t go wrong with any of them. Choose based on your specific needs.
I personally keep the Mueller on my counter for daily use. It’s my go-to for quick jobs.
I pull out the SupMaKin for weekend meal prep. It handles big batches with ease.
The ONCE FOR ALL is what I lend to friends who are nervous about mandolines. It’s the safest option to learn on.
Why Trust This Review
I bought all three slicers myself. No free products. No sponsor deals. Just honest testing.
I used each one for real cooking. Not just slicing one potato for a photo. I made actual meals for my family.
I’ve owned mandoline slicers for years. I know what breaks. I know what lasts. I know what works.
I compared these to other slicers I’ve used. I considered price, performance, and durability.
This isn’t a quick review. I spent a month testing. I took notes. I paid attention to details.
My goal is simple: Help you find the right slicer without wasting money on the wrong one.
Final Thoughts
A good mandoline slicer changes how you cook. It saves time. It makes your food look better. It makes cooking more enjoyable.
I wish I’d bought one years earlier. I wasted so much time with knives. I threw away uneven slices. I dealt with frustration.
Now meal prep is faster. My dishes look professional. I actually enjoy slicing vegetables.
Whether you choose the Mueller, ONCE FOR ALL, or SupMaKin, you’re getting a quality tool. Each one has served me well.
Pick the one that fits your needs. Start slicing. You’ll wonder how you cooked without one.