Defrosting is part of food preparation, not an afterthought. The safest default is to move food from freezer to fridge early enough for it to thaw while remaining cold.
When time is short, use the microwave defrost setting and cook immediately. Some packaged foods can be cooked directly from frozen when their instructions allow it. Avoid leaving raw meat or cooked meals in warm water or at room temperature for long periods.
Plan thawing alongside the meal itself. A note to move Thursday's chilli on Wednesday evening is safer and calmer than trying to rescue a frozen block while the family waits.
Place frozen food in a covered dish on the bottom shelf and allow enough time for the centre to thaw. Large joints may need more than a day.
Follow packet and current Food Standards Agency guidance for cooking and refreezing. Do not let raw juices reach ready-to-eat food.
Plan ahead: move tomorrow’s chilli or chicken from freezer to fridge after tea tonight.
Keep the fridge at 5°C or below - use a fridge thermometer if yours runs warm in summer.
Microwave defrost, then cook straight away
Microwave defrosting is suitable when the food will be cooked immediately. Turn, stir or break it up as instructed because edges may begin to warm before the centre.
After defrosting, handle it as raw food and cook thoroughly.
Cook from frozen when the recipe allows
Cook from frozen only when the packet or a tested recipe allows it. Use the stated extra time and verify a safe core temperature.
Do not improvise this method for poultry, mince or a large joint based only on the browned surface.
Do not thaw food on the counter, in warm water or near a heat source. The surface may support rapid bacterial growth while the middle remains frozen.
Avoid room-temperature thawing
Use the fridge, microwave followed by immediate cooking, or another method approved for that food. When uncertain, choose the fridge and allow more time.
Room-temperature thaw on the counter, in the sink without cold water, or in hot water.
Refreeze raw meat that thawed at room temperature.
Slow cooker from frozen chicken without a verified safe recipe and adequate liquid.
Batch cooks and leftovers
Thaw cooked batch meals in the fridge and reheat until steaming throughout. Stir microwave meals so cold spots do not remain.
Label portions before freezing and follow current guidance on how often they may be reheated.
Quick checks before you serve
Use a food thermometer where possible rather than relying on colour or clear juices alone. Poultry should reach 75 degrees C in the thickest part or an equivalent safe time and temperature.
After a prolonged power cut or fridge failure, follow official advice and discard high-risk food when its temperature history is uncertain.