(Find outHow to Freeze More Fruits and Vegetableshere.)

If you want to be extra cautious, double-bag them.

And don’t forget to label and date the bag.

two onions against a white background

Banar Fil Ardhi / EyeEm / Getty

That way, you only defrost what you need right away.

This is especially handy for caramelized onions, which are particularly time-consuming but add tons of flavor to food.

Use the plastic wrap to pop out the onions, then transfer to a freezer bag for longer-term storage.

Caramelized Onion & Goat Cheese Toast

Greek Lemon Chicken & Orzo Soup