For that reason, leaving a little space at the top is important if the container allows it.
Another option is transferring milk into a freezer-safe container
designed to accommodate expansion.
Whatever container you choose, make sure it is clean, food-safe, tightly closed, and appropriate for freezer storage.
Don’t Fill the Container to the Top
This is one of the easiest mistakes to make.
Milk contains a large amount of water, and water expands as it freezes.
If you fill a container completely and seal it tightly, the expanding liquid needs somewhere to go.
That pressure can damage the container.
Leaving some headspace gives the milk room to expand.
The amount of space needed depends on the shape and type of container, so following the manufacturer’s freezer-storage guidance is a good idea.
Can You Freeze Milk in Smaller Portions?
Absolutely, and portioning can make the process much more convenient.
Instead of
