Is Freezing Milk a Good Idea? Here's What You Need to Know

If you often find yourself with excess milk that spoils before you can finish it, there's no need to toss it out. You can freeze milk and keep it fresh for months, so it's ready whenever you need it for baking or smoothie-making.

Whether it's dairy or plant-based milk, the methods for freezing and thawing are quite similar. Here's everything you need to know about freezing milk safely.

Essential Tips for Freezing Milk

Freezing milk is a straightforward process, but with a few helpful tips, you can ensure you make the most of every drop.

Allow space for expansion when freezing milk

One of the biggest mistakes when freezing milk is overfilling your container or bag. Since liquids expand when frozen, this could cause the container to crack and create a mess in your freezer. Be sure to use a freezer-safe bag or container, and leave at least two inches of space for the milk to expand.

Be aware of how freezing may alter the texture of milk

A small issue with freezing milk, whether it's dairy or plant-based, is that the freezing and thawing process can affect its texture. The milk tends to become thinner and less creamy, and in some cases, you may notice separation, where the thicker solids separate from the liquid part of the milk.

However, this shouldn't deter you. Once the milk has thawed, simply shake or blend it to restore its texture.

Think about portioning your milk before freezing

Consider how you'll use the milk after it has thawed, and freeze it in convenient portions. For example, if you need smaller amounts, freeze the milk in an ice cube tray (with each cube holding about one ounce), then transfer the cubes into a freezer-safe bag for easy storage.

This method is particularly useful for buttermilk or other milk products you may only need a small amount of at a time.

Freeze your milk sooner rather than later

Dairy items, especially milk, degrade in quality quickly, so it’s best not to wait until the sell-by date before freezing it. Freezing earlier will help keep your milk fresh when you defrost it for later use.

Use frozen milk for cooking, baking, and blending

Freezing and thawing milk can change its texture, which might make it less ideal for drinking directly. However, when used in recipes like smoothies, cakes, or coffee drinks, the texture change is barely noticeable.

Try to use frozen milk within a few months

Frozen milk doesn't spoil, but over time, its quality will gradually decrease. It's recommended to use frozen milk within a few months of freezing it.

Freezing Milk from Cows

Milk can be frozen, as evidenced by the existence of ice cream. However, the freezing process may yield different outcomes depending on the type of dairy product.

The Process of Freezing Milk or Cream

To freeze milk or cream, use a freezer-safe container, ice cube trays, or even the original container, ensuring enough space for expansion.

How to freeze evaporated milk or sweetened condensed milk

Since these products are typically sold in cans, evaporated milk and sweetened condensed milk can stay good on your pantry shelf for a long time. However, if your recipe only requires part of the can and you don't have an immediate use for the rest, you can freeze the leftover milk just like regular milk.

How to freeze buttermilk

Buttermilk often comes in large containers but only requires a small amount for recipes. Like other dairy products, buttermilk may thin out and separate when frozen and thawed. However, a quick shake or blend will help restore its consistency.

How to freeze various dairy products

Cheeses, sour cream, and yogurt are all freeze-friendly, though freezing and thawing can alter their texture. Sour cream and yogurt might become runnier or separate upon thawing, but a good stir or blend will usually bring back some of their original consistency.

Freezing Non-Dairy Milks

Whether you prefer almond, coconut, soy, or oat milk, freezing them works the same as it does with dairy milk. However, certain plant-based milks, like almond or coconut, can separate more during freezing and thawing, and it might be tricky to get them fully mixed back together.

Properly Thawing Frozen Milk

The most effective way to thaw frozen milk is by using the slow method: simply place the frozen milk container in the fridge and allow it to thaw for at least 24 hours. (Larger containers will take longer to thaw.)

If you're short on time, the microwave can be used to defrost milk. Just make sure to use the lowest setting and defrost in small time intervals, especially if you'll be using it for cold drinks or cereal instead of cooking.

In case the milk has separated, shake, stir, or blend it to restore its consistency before use.