Can You Freeze Milk in the Carton to Keep It Fresh for Long?

Keeping milk frozen is a good way of getting it ready for smoothies, coffee, and tea. Moreover, it gives you an endless supply of milk. You’ve seen plastic gallon bottles of milk in the refrigerator and freezer or you even have one stored. But have you ever wondered if you can freeze milk in its carton?

Well, I have, and I tried it once, but it didn’t turn out too good. So, it is not advisable to freeze milk in its carton. If you plan to stock up on milk and you had your freezer in mind, make a U-turn first. I’ll tell you why you shouldn’t freeze milk in its carton.

Can You Freeze Milk Carton?

You may freeze the milk carton, but it is not advisable. When milk freezes, it expands; frozen milk in a carton will expand and bulge and rupture eventually. Consequently, it makes a mess in the freezer and wastes the milk.

If you want to freeze milk, make milk ice cubes. You can always pop as many cubes as you need at a time. Also, you can pour the milk into airtight plastic gallon bottles or bags and freeze it.

However, if you want to freeze milk cartons, you can. To prevent the carton from rupturing, reduce the milk, to allow space for expansion in the carton before you freeze it.

Can You Freeze Semi-Skimmed Milk in the Carton?

You can freeze semi-skimmed milk, but it shouldn’t be in the carton. Instead, pour the milk into plastic gallon bottles and freeze them.

SEE: Does Evaporated Milk Go Bad?

Can You Freeze Skimmed Milk Cartons?

Don’t freeze skimmed milk cartons. Otherwise, you could lose the milk after it expands and ruptures.

Can You Freeze Chocolate Milk Carton?

The best way to freeze chocolate milk is to pour it into plastic bottles. Because, just like regular milk, chocolate milk will expand and may eventually rupture.

Can You Freeze Carton of Coconut Milk?

You can, but you don’t have to. Instead of freezing the milk cartons, make coconut milk ice cubes that you can pop into smoothies, tea, and coffee.

SEE: Here’s What You Should Know About the Shelf Life of Oat Milk

Can You Freeze Cartons of Lactose-Free Milk?

Freezing milk cartons is not advisable. Instead, open the carton of lactose-free milk and pour the content into plastic gallon bottles or any other airtight container.

Can You Freeze Unopened Carton of Milk?

If you have not opened the carton of milk, you can store it in the pantry rather than in the freezer. If you want to freeze an unopened carton of milk, you’ll have to open it eventually to reduce the milk by ¼ and allow headspace for expansion.

SEE: Here’s the Difference Between Lactose-Free Milk and Regular Milk

Why Should You Freeze Milk Carton?

Freezing milk cartons is a way to preserve milk from spoilage. It also gives you a long supply of milk.

How Long Should You Freeze Milk Carton?

You can keep milk frozen for up to three months, but it is advised that you consume milk within one month of freezing.

Pros of Freezing Milk Carton

  • With the option of freezing, you can store as many cartons as you like
  • If you freeze milk properly, it shouldn’t affect its taste
  • In addition, freezing milk in small like ice cubes allows you to have frozen milk ready for smoothies

SEE: Get a Chance to Win a $100 Gift Card at Aldi Food Store

Cons of Freezing Milk Carton

  • Frozen milk may lose its texture after thawing. The fat in the milk separates and leaves you with a grainy milk
  • If you freeze milk cartons for too long, you risk losing your milk after it expands in the carton and maybe ruptures
  • Also, if the milk starts to sour, its acidity will increase in the freezer

SEE: If You Can Freeze Coconut Milk Over and Over Again


Do cartons of milk go bad if unopened?

Unopened cartons of milk will only go bad if they are days past the printed date. Try to use up your milk before its expiration date.

Can frozen milk harm you?

If the frozen milk is not contaminated, it will not cause you any harm. If you’re storing milk in the freezer, keep it in airtight containers and far from odorous foods that can affect its smell too.

How long does frozen milk last after you have thawed it?

Once you have thawed frozen milk, consume it within one week. Moreover, thawed milk may not taste very palatable for drinking. The best way to use it is for smoothies, waffles, french toast, pancakes, other baked goods, sides, and main dishes.

What is the best way to freeze milk?

The best way to freeze milk if you’re storing it for long is to pour it into plastic bottles or freezer bags. If you’ll need the milk now and then, make milk ice cubes instead.


You can freeze milk. You should not freeze milk cartons. Even though stores will never run out of milk, everyone keeps a bottle of milk somewhere in the house for cereals, coffee, tea, baking, and other meals. Freezing milk will give you a long supply only if you do it properly.

If you will freeze milk, make ice cubes or pour the milk into plastic bottles and keep them airtight. Preferably, don’t keep milk frozen for too long. Otherwise, you risk compromising the quality of the milk.

Thanks for reading.

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