Last Updated on July 1, 2026 by Kathay Lee
Yes, you can put hot liquids in a blender. But you must do it carefully.
Blending hot soup, sauce, or drinks without the right steps can be dangerous. The heat builds pressure inside the blender. That pressure can pop the lid off and splash hot liquid everywhere.
This is not just messy. It can cause serious burns.
The good news? A few simple steps make blending hot liquids safe and easy.
Why Hot Liquids Are Risky in a Blender
When you add hot liquid to a blender and seal the lid, steam gets trapped inside. As the blades spin, the steam expands fast. The pressure has nowhere to go.
This is what causes the “blender explosion” many people have experienced. The lid flies off. Hot liquid sprays out. It can burn your skin, face, or hands.
The risk goes up when:
- The liquid is boiling or very close to boiling
- The blender is filled too full
- The lid is sealed too tight with no way to release steam
- You start the blender at high speed right away
Understanding this helps you blend safely every time.
What Temperature Is Safe?
The safest temperature for blending is below 180°F (82°C).
Most soups and sauces reach 212°F (100°C) when boiling. That is too hot to blend right away.
Let your liquid cool for 5 to 10 minutes after cooking. Use a kitchen thermometer if you want to be exact. Once it drops below 180°F, it is much safer to blend.
A good rule: if the liquid is still steaming hard, wait a bit longer.
How to Safely Blend Hot Liquids
Follow these steps every time you blend hot food or drinks.
Step 1: Let It Cool Slightly Remove the pot from heat. Let the liquid rest for 5 to 10 minutes. You do not need it fully cold, just not boiling.
Step 2: Fill the Blender Only Halfway Never fill the blender more than half full with hot liquid. This gives steam room to expand without building pressure.
Step 3: Remove the Center Lid Cap Most blender lids have a small center cap you can remove. Take it out. Place a folded kitchen towel over the hole instead. This lets steam escape while keeping liquid from spraying.
Step 4: Hold the Lid Down Press your hand firmly on the towel covered lid before you start. Keep it pressed during blending.
Step 5: Start on Low Speed Always start at the lowest speed setting. Blend for a few seconds, then slowly increase speed. Never start on high with hot liquid inside.
Step 6: Blend in Batches If you have a large amount of hot liquid, blend it in two or three smaller batches. This reduces risk and gives you better control.
Best Blenders for Hot Liquids
Not all blenders handle heat well. Some options work better than others.
High performance blenders like the Vitamix or Blendtec are built to handle hot liquids. Their lids lock securely and their motors run smoothly at low speeds.
Immersion blenders (also called stick blenders or hand blenders) are actually the safest choice for hot soups. You blend right in the pot. No transfer needed. No sealed container. No pressure buildup.
Regular countertop blenders can work, but follow the safety steps above every time.
Avoid blenders with very small or tight lids that do not have a removable center cap. These trap steam with no release.
Common Mistakes to Avoid
Many people make these mistakes when blending hot liquids. Avoid them every time.
Filling the blender too full. Hot liquid expands. Half full is the maximum.
Starting on high speed. Always start low. High speed creates more pressure and force.
Sealing the lid completely. Remove the center cap or keep it slightly loose. Steam needs to escape.
Not holding the lid. Even with a towel, always press the lid down with your hand.
Blending right after boiling. Let your liquid rest at least 5 minutes before you transfer it to the blender.
Using a cracked or old blender jar. Heat can stress damaged glass or plastic. Check your blender for any cracks before use.
Frequently Asked Questions
Can you put boiling water in a blender? It is not recommended. Boiling water is at 212°F and creates too much steam pressure. Let it cool to below 180°F first.
Can you make hot soup in a blender? Yes. Cook your soup on the stove, let it cool slightly, then blend using the safety steps above. Many people use an immersion blender right in the pot for the easiest result.
Can hot liquid crack a glass blender jar? It can, especially if the jar is cold or already damaged. Always let very hot liquids cool a bit before adding them to a glass jar. Plastic jars handle heat changes better.
Is it safe to blend hot coffee or tea? Yes, if the drink has cooled slightly. Blended coffee drinks like frappuccinos work well at warm (not boiling) temperatures. Start on low speed and do not overfill.
What happens if you blend boiling liquid? The steam builds pressure inside the sealed blender. The lid can burst off suddenly. This can cause burns and a major mess. Always cool your liquid first.