How Long Food Lasts

Baked Goods / Baking and Cooking

Does cornstarch go bad?

Form

Fridge

-

Freezer

No known time

-

Pantry

18-24months

Refreeze after thawing in the fridge?

United States
Yes
United Kingdom
Only after cooking

Can you freeze cornstarch?

    Can you refreeze cornstarch?

    • In the United KingdomOnly after cooking
    • In the United StatesYes

    You can freeze food again once cooked, but you’ll only be able to reheat it once after that

    Food thawed in the refrigerator can be refrozen without cooking, although there may be some loss of quality.

    Foods thawed by the cold water method should be cooked before refreezing.

    After cooking raw foods which were previously frozen, it is safe to freeze the cooked foods.

    Can cornstarch be kept out of the fridge?

    • Cornstarch18-24 months
    • Opened18 months

    All forms at a glance

    FormFridgeFreezerPantry
    Cornstarch--18-24 months
    Opened--18 months

    Frequently asked questions

    Can you refreeze cornstarch?

    In the United Kingdom: Only after cooking; In the United States: Yes.

    Sources

    We always show the most cautious time among official sources. Last checked: 1 October 2026.