Do Not Refreeze After Thawing Definition. If you thaw the shrimp in the microwave or in cold water, you must cook it thoroughly before refreezing to ensure it’s safe to eat. Even if you used one of the other two safe thawing methods, in cold water or the microwave, it might not be wise to refreeze the thawed hamburger.

If previously cooked foods are thawed in the refrigerator, you may refreeze the unused portion. Thaw verb (become not frozen) [ i or t ] to ( cause to) change from a solid, frozen state to a liquid or soft one, because of an increase in temperature: And if previously cooked foods are thawed in the refrigerator, you may refreeze the unused portion.