Can You Put Milk In A Keurig Coffee Machine?

Can You Put Milk In A Keurig Coffee Machine?

If you’ve been searching the internet for “can you put milk in a Keurig” and wondering “is it safe to put milk in a Keurig,” then look no further. See this article to discover the answer if you can use dairy, non-dairy, soy, or almond milk in your single-cup coffee maker.

While Keurig might be the king of the coffee machine industry, there are still a few things that a lot of homeowners don’t know about their machines.

If you’ve recently made the decision to switch from using an old-fashioned coffee machine to a Keurig, you’re going to want to know how to make the most of your new gadget. A key feature of this innovative kitchen device is its versatility.

While Keurig is known for its single-serve, coffee-brewing capabilities, there are several other things that you can do with a Keurig coffee maker. For example, you can use it to brew a cup of tea or hot chocolate instead – or even some soup!

Can Milk Be Used In a Keurig Coffee Machine?

Keurig coffee machines are popular because they make a single cup of coffee in less than a minute.

The machine is designed for use with K-Cups, which are small plastic cups that contain ground coffee or tea leaves and a filter to make one serving of the beverage.

There are many different types of K-cups available on the market today, including those containing hot chocolate mix, cocoa powder, and even soup mixes.

However, there has been some confusion about whether milk can be put into these machines to create latte drinks like cappuccinos or macchiatos (the answer is no)

You cannot use any type of liquids other than water in your Keurig machine

As the milk heats up and expands, it may cause a seal in the machine to leak, potentially voiding your warranty.

Keurig has a completely separate line of machines that are designed to use milk and other liquids, as well as K-cups

You can purchase latte and cappuccino cups that allow you to froth the milk yourself, or you may find models of Keurig machines that have milk tanks and a separate frothing wand.

Why We Can’t Use Milk in a Keurig

Although the K-Cup allows you to brew single servings of coffee and tea, it was not designed for use with liquids other than water. They are lined with a material designed to prevent the coffee or tea leaves from seeping through, but this lining cannot withstand the heat and pressure of a liquid like milk.

Here is how it will affect the machine:

Effect on Seals:

The milk will affect reservoir seals and other key elements that make your Keurig work properly. As the milk expands, it can seep through the lining and leak into other parts of the system. This will cause a problem with your coffee maker. Instead of just a few drops of liquid coffee, the Keurig will be filled with hot milk.

Spoils the Reservoir:

The milk may also spill into other parts of the system, such as the K-Cup reservoir. It will spoil any coffee or tea that is left in there. You will have to clean it more often and the other cups will not be usable until you’ve rinsed out the milk.

Bad for the Electronics:

The milk may eventually cause a short circuit inside your Keurig machine. Even if it does not do so immediately, it can still cause damage over time.

A Keurig coffee maker is not designed for use with liquids other than water, so they will not be able to keep up with the high pressure required to force milk from a nozzle. If you are using your Keurig for a latte or cappuccino, you should look for a different kind of machine.

Moreover, it will leave a smell and residue inside the machine that you will not be able to remove, which means that your coffee or tea won’t taste fresh.

Other Disadvantages of using milk in a Keurig

Here are some other reasons why you should not put milk into your single-cup coffee maker.

  • If you choose to use milk in your Keurig, the machine will not be able to work properly.
  • Milk residue will block the machine’s internal components.
  • The milk will also leave a sticky, oily film that is very difficult to clean off.
  • Milk and other liquids can clog the needle in your Keurig coffee maker.
  • Prolong use of milk in machines will cause germs and bacteria to grow inside.
  • Milk can leave a deposit on the internal parts of your Keurig machine, possibly voiding its warranty.
  • The milk may flow to other parts of the machine that were intended for water only, making them susceptible to damage.

Turning your Keurig into a milk frother

Though you cannot put actual milk in a Keurig coffee machine, you can use it to make milk froth for cappuccinos and lattes.

  1. All you need to do is remove the lid from the K-Cup holder and place it under the coffee spout.
  2. Pour milk into the K-Cup holder, filling up to one-third of its capacity.
  3. Place the lid back over the K-Cup holder, making sure that it is properly fitted in its socket.
  4. Next, insert the K-Cup holder into the machine, making sure that it is properly connected.
  5. Pour cold milk into a mug and place it under the spout.
  6. Press the button on your Keurig coffee maker, and wait until the milk has been warmed up.
  7. The froth will be dispensed into the mug.
  8. Drink while it is still hot for a wonderful cup of cappuccino!
    Keurig II and later models

Newer Keurig coffee makers have wider holes in their drip trays, which makes it easy to pour milk into the K-Cup holder.

The wider the hole, the faster it will be for you to pour milk into your Keurig and froth it.
Use cold milk because you want it to be warm and frothy when you drink it.

Best Way to Fix or Clean Keurig Machine After Using Milk

When you use your Keurig with milk, the residue will cause some parts of the machine to become sticky and hard to clean.

To get rid of this problem, you should make sure that all the surfaces affected by the residue are dry and then apply a mild detergent, preferably liquid dishwashing soap. Keep scrubbing until there is no evidence of the sticky film.

In case you can still feel a residue, place some white vinegar in a spray bottle and use it to add shine to the internal surfaces. It will leave your Keurig smelling fresh!

Squeeze out milk foam from each K-Cup before rinsing with water after each use. This will help you avoid clogging.

Afterward, wipe the K-Cup holder with a Kleenex or paper towel and then rinse it to remove all traces of milk.

Do the same with the drip tray and the needle.

Let them dry, preferably in sunlight to keep away any odors and bacteria.

You should also regularly clean your Keurig machine and replace the water filter every two months.


Q. Does putting milk in a Keurig coffee maker void its warranty?

A. No! Keurig is a reputable company so it will not void your warranty just because you used your coffee maker for something other than coffee.

Q. Has Keurig made any official statement on putting milk in a Keurig machine?

A. Yes, if you do a quick Google search, you will find that the company has stated several times to never put any liquid other than water in its coffee makers.

Q. What if the Keurig does not dispense the milk into my cup?

A. Double check to make sure that you have inserted the correct K-Cup and that you have put it in completely.

Q. Will inserting a K-Cup filled with milk into the Keurig machine damage any internal parts?

A. Yes, it will probably clog up your Keurig coffee maker, so do not make this mistake.


Milk is not compatible with Keurig coffee makers for a number of reasons, as discussed above.

Keurig is one of the most popular brands of coffee makers in the world, and you can do a lot with it.

The milk frothing attachment is a great way to use your Keurig, and it will enable you to produce a coffee drink similar to a cappuccino or a latte using only a K-Cup!

If you have any other ideas on how to use the Keurig, feel free to share them with us in the comments section below.
Happy brewing!