How to Clean an Immersion Blender
Fill a tall cup with warm water and a small drop of dish soap, lower the blending shaft into it, and run the motor for 10 to 15 seconds. Lift out, rinse under the tap, and let it air-dry with the blade guard facing down. That handles most everyday messes without disassembly.
The 30-Second Rinse Method for Everyday Use
After blending a soup or smoothie, keep the blender plugged in and fill the same container or a separate tall cup with about 10 oz of warm water and one drop of dish soap. Run the blender on its lowest speed for 10 to 15 seconds so the spinning blade clears food from inside the guard. Rinse under running water until no soap remains, then set the shaft upright or blade-down on a drying rack. This routine is enough after blending soft foods like cooked vegetables, yogurt, or fruit. Skip hot water above 140 F, which can warp plastic components on budget models like the Hamilton Beach 59765 (rated 4.4 stars across 5,600 reviews).
Detaching and Washing the Blending Shaft
Most consumer immersion blenders separate the motor body from the blending shaft with a simple twist or press-and-twist release. Always unplug the unit before detaching anything. Once the shaft is off, you can submerge it in soapy water and scrub around the blade guard with a bottle brush or old toothbrush. The Breville BSB510XL (4,000 reviews, $149.95) has a detachable shaft that is listed as dishwasher-safe on the top rack, which speeds cleanup after thick purees or nut butters. If your model has a non-removable shaft, submerge only the metal portion and keep water well away from the motor housing. Dry thoroughly before reattaching.
Deep Cleaning the Blade Guard
The blade guard, the cage or bell-shaped piece that surrounds the blade, traps fibrous greens, seeds, and fatty residue over time. To deep clean it, detach the shaft (if your model allows), soak it in warm soapy water for five to ten minutes, then work a stiff-bristle brush into the openings of the guard from multiple angles. A wooden skewer or toothpick can dislodge compacted bits lodged between the guard slats without bending them. Rinse and visually confirm no residue remains before reassembly. Buildup inside the guard can create off-flavors in future blends, so aim to do a thorough scrub at least once a week with regular use.
Cleaning the Motor Body and Controls
The motor housing should never be submerged or rinsed under running water. Wipe it down with a damp cloth or sponge after each use, paying attention to the push-button area and any crevices around the speed controls. The Cuisinart CSB-76BC (3,100 reviews, $129.99) uses a push-button interface with a brushed chrome finish that shows fingerprints and food spray easily, so a quick wipe keeps it looking clean. For sticky residue on the housing, dampen the cloth with a small amount of diluted dish soap, wipe, then follow with a plain damp cloth to remove soap film. Dry with a clean towel immediately.
Dishwasher Use: What is Safe and What is Not
Only the detachable blending shaft and any included accessories, such as a whisk attachment or chopper bowl, may go in the dishwasher, and only if the manufacturer lists them as dishwasher-safe. Place them on the top rack away from the heating element. The motor body is never dishwasher-safe on any consumer immersion blender. Even for dishwasher-rated shafts, high heat over time can dull stainless steel blades and degrade rubber seals, so hand washing extends the useful life of the shaft. If you blend staining foods like turmeric or beets, a hand wash with a baking-soda paste is more effective at removing discoloration than a dishwasher cycle.
Removing Stains and Odors
Turmeric, beets, and berry skins can leave visible staining on plastic parts. Make a thin paste of baking soda and water, apply it to the stained area with a cloth, let it sit for five minutes, then scrub and rinse. For lingering odors after blending garlic or fish, fill a cup with a mixture of water and a tablespoon of white vinegar, run the blender in it for 15 seconds, then rinse thoroughly. This neutralizes odor without leaving a chemical taste. Persistent odors in rubber seals, found on some higher-end models, may mean the seal needs replacing, which is usually available as a spare part from the manufacturer.
Common mistakes to avoid
- Letting food dry on the blade guard before rinsing, which makes scrubbing much harder.
- Submerging the motor body in water or rinsing it under the tap.
- Running the dishwasher on a high-heat setting with the blending shaft inside, which can warp plastic and dull the blade edge over time.
- Using abrasive scrub pads on stainless steel shafts, which leaves fine scratches that trap bacteria.
- Reassembling the shaft onto the motor before it is completely dry, which can cause corrosion at the connection point.
- Ignoring the inside of the blade guard and only rinsing the outside, leaving hidden residue.
Frequently asked questions
Can I put an immersion blender in the dishwasher?
The motor body can never go in the dishwasher. The detachable blending shaft is dishwasher-safe on some models, including the Breville BSB510XL, but only on the top rack. Check your manual before putting any part in the machine. Repeated dishwasher use can reduce blade sharpness faster than hand washing.
How do I clean dried food out of the blade guard?
Soak the detached shaft in warm soapy water for five to ten minutes to soften the residue. Then use a stiff bottle brush or an old toothbrush to scrub inside the guard openings from several angles. A wooden skewer clears compacted bits between the slats without bending the guard. Avoid metal picks, which can scratch or distort the guard.
How often should I deep clean an immersion blender?
A quick rinse after every use prevents buildup, but a thorough scrub of the blade guard and shaft should happen at least once a week if you use the blender daily. If you blend fibrous or staining ingredients, clean more frequently. Monthly, inspect the rubber seal at the shaft connection for cracks or discoloration and replace it if needed.
Is it safe to rinse the blending shaft while the blade is still spinning?
No. Always turn off and unplug the blender before rinsing or touching the blade. Even at low speed, the stainless steel blade on a model like the Hamilton Beach 59765 (225W) is sharp enough to cause injury. Unplug first, then proceed with rinsing.
Why does my immersion blender still smell after cleaning?
Odors usually come from residue trapped inside the blade guard or absorbed into rubber seals. Run the blender for 15 seconds in a mix of water and one tablespoon of white vinegar, then rinse well. If the smell persists after several cleanings, the rubber seal may have absorbed odors permanently and should be replaced. Contact the manufacturer at hello@kitchenexplorers.com if you need help identifying compatible replacement parts.