Can You Defrost Mince Overnight. Yes, freezing is one of the safest ways to store food and, when done. Mince can be defrosted in the fridge or in the microwave, but should not be defrosted at room temperature as this is where bacteria can multiply rapidly.

Defrost your food under cold tap water in a sanitized sink. Cooked mince can be frozen for around 4 months. Only if the bird is small can you thaw it immediately.