How to Clean a Nespresso Milk Frother: Tips and Tricks

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If you own a Nespresso Aeroccino milk frother, you know that it can turn your black coffee into cappuccinos and latte macchiatos in seconds.

However, after every use, it’s crucial to clean your milk frother to prevent bacteria from forming.

In this article, we’ll provide you with a comprehensive guide on how to clean your Nespresso milk frother and avoid burnt milk at the bottom.

Understanding How a Nespresso Aeroccino Milk Frother Works

The Nespresso Aeroccino milk frother consists of several parts that work together to create frothed milk.

The main parts include the bowl, heater, whisk, button, and lid. The bowl is where you pour the milk and it is also where the whisk is attached.

The heater is located at the bottom of the bowl and heats the milk to the desired temperature.

The whisk is used to froth the milk and comes in two different types: the Plain Whisk and the Spiral Whisk.

The button on the frother is used to turn it on and off, and the lid is used to cover the bowl during the frothing process.

The ceramic surface of the Aeroccino milk frother is different from Teflon (PTFE) coating. Ceramic surfaces are generally more durable than Teflon coatings and are better at withstanding high temperatures.

Additionally, ceramic coatings are non-toxic and are not made with potentially harmful chemicals like Teflon.

There are two types of whisks available for the Aeroccino milk frother: the Plain Whisk and the Spiral Whisk.

Both these types of whisks are included with a Nespresso Aeroccino milk frother so you should find both these whisks in the box for your Nespresso milk frother.

A plain whisk has a piece of wire used to create a circular shape around the cross of a plastic mold.

The mold has a central hole and a knob on top, and it sits on an eccentric post that protrudes from the bottom of the bowl.

A spiral whisk is constructed by coiling a thin wire around a thicker circular wire, which is mounted between two points (not forming a cross) on a plastic mold.

The mold has a central hole and a knob on top. The use of coiled wire increases the whisk’s frothing ability.

The knob on top of the whisk serves as a handle for inserting or removing it from the post in the bowl.

One whisk can be stored on a post located on the base under a hemispherical flip-over cap, which is shown in the open position.

The support arms of the whisk are made of thick plastic and contain magnets.

These magnets are rotated by a magnet located on the end of an electric motor spindle that extends up inside the post from underneath. This rotation causes the whisk to spin.

The milk frother works by heating the milk to the desired temperature and then frothing it using the whisk.

When you press the button to start the frothing process, the heater at the bottom of the bowl heats up the milk.

Once the milk is heated to the desired temperature, the whisk is activated and spins rapidly to create frothed milk.

The frothed milk can then be used to make a variety of drinks, such as lattes, cappuccinos, and hot chocolate.

Why Cleaning Your Nespresso Milk Frother is Important

It is essential to clean your Nespresso milk frother after every use to ensure that it remains hygienic and safe to use.

If the milk frother is not cleaned properly, bacteria can start to form in the bowl, whisk, and heater, which can lead to health hazards.

Additionally, if burnt milk is left in the milk frother, it can affect the taste of the coffee and the frother’s efficiency.

Burnt milk can leave a residue that is difficult to clean, which can lead to a buildup of bacteria and cause the milk frother to malfunction.

Cleaning your milk frother is a straightforward process that only takes a few minutes.

You should always refer to the manufacturer’s instructions for cleaning, but generally, you will need to rinse the frother’s parts thoroughly with warm soapy water and then dry them completely before storing them.

It’s also a good idea to wipe down the exterior of the milk frother with a damp cloth to remove any spills or splatters.

In summary, cleaning your Nespresso milk frother is crucial for maintaining its performance and hygiene, preventing the buildup of bacteria and burnt milk residue, and ensuring that your coffee tastes delicious every time.

Nespresso Aeroccino Components That Need To Be Cleaned

After the Nespresso Aeroccino milk frother has been emptied, the inside may still be coated with frothy milk, which can stick to the heated area at the bottom of the bowl if it was heated milk.

This can lead to the burning of the milk if it is refilled and heated again.

The original frothy layer forms a heat insulator on the bottom, which has high thermal resistance due to the presence of air bubbles in the congealed layer.

This results in the temperature rising too high and burning the old congealed froth onto the bottom.

To avoid this, it is important to rinse the Nespresso Aeroccino milk frother between uses and visually inspect the bottom for any deposits.

Any deposits can be easily wiped out with a damp cloth after using it once from a clean state.

If milk gets burnt on, it can be removed using a green fibre scouring pad or fingernails.

However, it is recommended to avoid abrasive materials to preserve the ceramic coating on the inside of the milk frother.

Loss of the ceramic coating may exacerbate the problem.

Step-by-Step Guide on How to Clean a Nespresso Milk Frother

Here’s a step-by-step guide on how to clean a Nespresso milk frother:

  1. Turn off the milk frother and unplug it from the power source. Wait for it to cool down before cleaning it.
  2. Disassemble the milk frother by removing the lid, the black ring, and the whisk. Make sure to handle the parts carefully.
  3. Rinse the separate parts under running water. Use warm water to remove any milk residue. You can also use a mild detergent or dish soap to clean the parts. Avoid using abrasive sponges or cleaners that can damage the surface of the milk frother.
  4. Clean the inside of the Aeroccino with a soft sponge or cloth. Avoid using anything that could scratch or damage the surface of the ceramic coating. Gently wipe the inside of the milk frother, making sure to remove any milk residue or stains.
  5. Dry the separate parts and the inside of the milk frother with a dishcloth or towel. Make sure they are completely dry before reassembling the milk frother.
  6. Reassemble the milk frother by placing the black ring on the bottom, attaching the whisk to the black ring, and securing the lid on top.
  7. To avoid burnt milk in the future, make sure to use fresh milk and avoid overfilling the milk frother. Clean the milk frother after every use to prevent bacteria buildup and maintain its efficiency.

By following these steps, you can keep your Nespresso milk frother clean and in good working condition for years to come.

How To Clean The Outside Of A Nespresso Milk Frother

In addition to cleaning the inside of the Nespresso milk frother, it’s also essential to clean the outside regularly.

To clean the outside of the milk frother, use a damp cloth or sponge with a mild detergent or soap.

Avoid using abrasive sponges or harsh cleaning agents as they can damage the frother’s surface.

Gently wipe down the exterior of the milk frother and dry it with a clean cloth.

If there are stubborn stains or marks on the surface of the milk frother, you can use a non-abrasive cleaner specifically designed for stainless steel or plastic surfaces.

Be sure to follow the cleaner’s instructions carefully and avoid using any harsh chemicals that could damage the frother’s surface.

Regularly cleaning the outside of the Nespresso milk frother will not only keep it looking its best but also help prolong its lifespan.

It’s important to avoid neglecting the outside of the milk frother when cleaning and maintaining it to ensure it remains in top working condition for years to come.

How To Clean The Whisks

Cleaning the whisks of your Nespresso milk frother is an essential step in maintaining the device’s efficiency and ensuring that your milk-based drinks are free from residue and bacteria.

The easiest way to clean the whisks is to detach them and wash them under running water.

You can also use a soft sponge or a toothbrush to gently scrub away any milk residue that has accumulated on the whisks.

It is important to avoid using abrasive cleaning tools or harsh detergents as they can damage the whisks’ surface and reduce their frothing capability.

If the milk residue on the whisks is particularly stubborn, you can soak them in warm water mixed with a gentle dish soap or vinegar for about 15 to 30 minutes before rinsing them off.

Be sure to dry the whisks thoroughly before reattaching them or storing them away to prevent any moisture buildup that could lead to mold growth.

It is recommended to clean the whisks after every use of the milk frother to maintain their cleanliness and prevent any milk residue from hardening and becoming more challenging to remove in the future.

Maintenance and Troubleshooting Tips for Your Nespresso Milk Frother

Proper maintenance of your Nespresso milk frother is crucial to ensure its longevity and efficient performance.

Here are some tips on how to maintain your milk frother:

  1. Avoid using abrasive sponges or detergents that can damage the ceramic surface of the milk frother.
  2. Always clean the milk frother after every use to prevent bacteria build-up and burnt milk residue.
  3. Keep the whisk clean and free from any milk residue to ensure it functions correctly.

If you encounter any issues with your Nespresso milk frother, here are some troubleshooting tips:

  1. If the milk frother overheats, unplug it and let it cool down for a few minutes before using it again.
  2. If the whisk is malfunctioning or not frothing the milk correctly, check to ensure that it is correctly attached and clean.
  3. If the milk frother continues to malfunction, refer to the warranty provided by Nespresso or contact their customer support for repair options.

Nespresso offers a two-year limited warranty for their milk frothers. If your milk frother experiences any defects or malfunctions within this period, Nespresso will repair or replace it free of charge.

However, if the milk frother is damaged due to misuse or negligence, it may not be covered by the warranty.

How to Use a Nespresso Milk Frother

Using a Nespresso milk frother is a straightforward process that requires a few simple steps.

To get started, fill the milk frother with the desired amount of milk, making sure not to exceed the maximum fill line.

Next, choose the whisk type that best suits your needs.

You have an option of choosing a plain whisk or a spiral whisk which will be included with your Nespresso milk frother.

Press the button to start the frothing process, and wait for the milk frother to complete its cycle.

Once the frothing is complete, carefully remove the lid and take out the whisk.

Use a spoon to gently scoop out any excess foam, and you’re ready to pour the frothed milk into your coffee.

To achieve the desired froth level, it is best to use cold milk and experiment with different whisk types until you find the perfect balance.

For those who prefer dairy-free options, plant-based milks such as soy, almond, and oat milk can also be frothed in a Nespresso milk frother.

Incorporating frothed milk into different coffee drinks is a fun way to experiment with new flavors and textures.

For example, cappuccinos are made by combining equal parts of frothed milk, steamed milk, and espresso, while lattes are made with more steamed milk than frothed milk. With a Nespresso milk frother, the possibilities are endless.


Cleaning and maintaining your Nespresso milk frother is essential to ensure it operates efficiently and safely.

Neglecting to clean it after every use can lead to bacterial growth and affect the taste of your coffee.

By following our step-by-step guide and maintenance tips, you can keep your milk frother in good condition and prevent common issues.

Remember to always use a soft sponge and avoid abrasive cleaners or detergents.

With a clean and efficient milk frother, you can enjoy delicious cappuccinos and latte macchiatos to your heart’s content.

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Jacob Harris

Jacob is a coffee enthusiast who turned his passion into a career. As the owner and editor of Karma Coffee Cafe, he shares his extensive knowledge and recommendations, captivating fellow coffee lovers.

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