Can You Freeze Milk?
Yes, you can freeze milk safely for up to 3-6 months. The texture may change slightly after thawing, making it better suited for cooking and baking than drinking straight, though many people find thawed milk acceptable for general use.
Key Takeaways
- Milk freezes safely and retains its nutritional value.
- Skim milk freezes with less texture change than whole milk due to lower fat content.
- Plant-based milks vary in how well they freeze; oat and soy milk generally freeze better than almond milk.
Explanation
Milk freezes safely and retains its nutritional value. The fat in milk may separate during freezing, causing a slightly grainy texture after thawing. Other dairy products like butter and cream cheese behave differently. This is normal and can be minimized by shaking the container well after thawing.
Before freezing, pour off a small amount from the container to allow for expansion, as milk expands when frozen. Alternatively, freeze milk in ice cube trays for convenient portions to add to smoothies or recipes.
Thaw frozen milk in the refrigerator overnight rather than at room temperature. If your milk has passed its date, check whether it's safe to drink expired milk. Use thawed milk within 3-4 days for best quality. Thawed milk works excellently in baked goods, soups, sauces, and smoothies.
Whole milk expands by about 3-4% when frozen, which is why leaving headspace in the container matters. A full gallon jug left in the freezer without room to expand will crack or burst. When freezing in ice cube trays, each cube holds roughly 2 tablespoons of milk, so 8 cubes equal about one cup, making recipe measurement convenient.
Nutritionally, frozen milk retains its calcium, protein, and vitamin D content through the freezing process. The fat separation that occurs is purely cosmetic and does not affect the nutritional value. However, the texture change makes thawed whole milk less appealing for drinking straight, while skim and 1% milk thaw with barely noticeable differences since there is less fat to separate.
Breast milk follows different freezing guidelines than cow's milk. It can be safely stored in the freezer for up to 12 months according to the CDC, though using it within 6 months is ideal. Breast milk should be frozen in small amounts of 2-4 ounces to minimize waste, stored in BPA-free bags or containers, and thawed in the refrigerator or under warm running water. Never microwave breast milk, as it creates hot spots that can burn the infant and also destroys immunological proteins.
Things to Know
- Skim milk freezes with less texture change than whole milk due to lower fat content.
- Plant-based milks vary in how well they freeze; oat and soy milk generally freeze better than almond milk.
- Do not refreeze milk once thawed, following the same rule as refreezing thawed meat.