Food Safety
Can you refreeze thawed food?
A clear UK guide to raw food, cooked food, frozen desserts and food affected by a power cut.
Quick answer
The answer depends on the food and how it thawed
NHS Inform says that raw meat, fish and poultry cannot be frozen again after defrosting. Cooked meat, fish and poultry can be frozen again once after cooking if they have cooled. Ice cream and frozen desserts should not return to the freezer after thawing.[1]
Raw meat, fish and poultry
Do not refreeze after defrosting.
Cooked food
May be frozen once after cooking and cooling.
Frozen desserts
Do not return thawed ice cream or frozen desserts to the freezer.
Key Takeaways
Use the food category and the facts you know
- ✓Defrost meat and fish in a sealed container at the bottom of the fridge.
- ✓Cook and eat food within 24 hours after it has defrosted.
- ✓Do not refreeze raw meat, fish or poultry after defrosting.
- ✓Cooked meat, fish and poultry can be frozen once after cooking if cooled.
- ✓Do not refreeze thawed ice cream or frozen desserts.
- ✓After a power cut, use the temperature and outage facts before making any refreezing decision.
What official guidance says
NHS Inform says that food should be defrosted thoroughly before cooking. It recommends defrosting meat and fish in a sealed container at the bottom of the fridge. Once food has defrosted it should be cooked and eaten within 24 hours.[1]
Its specific refreezing guidance distinguishes food types. Raw meat, fish and poultry cannot be frozen again after defrosting. Cooked meat, fish and poultry can be frozen again when cooled but only once after cooking. Thawed ice cream and frozen desserts should not be returned to the freezer.[1]
Why the food type matters
Refreezing is not a single yes or no decision. The official guidance distinguishes raw food from cooked food and frozen desserts. Follow the category that matches your food rather than using a general rule.
Raw meat, fish and poultry
Do not refreeze them raw after they have defrosted.[1]
Cooked meat, fish and poultry
They may be frozen once after cooking if they have cooled. More cooling and reheating cycles increase food-poisoning risk.[1]
Frozen desserts
Do not refreeze thawed ice cream or frozen desserts.[1]
How to thaw food safely
The FSA says chilling, freezing and defrosting food properly helps stop harmful bacteria from growing. Food Standards Scotland advises keeping a fridge between 0°C and 5°C. Defrost meat and fish in a sealed container at the bottom of the fridge to help prevent warming and cross-contamination.[1] [2]
If you need to cook food immediately after defrosting, NHS Inform says the microwave defrost setting can be used. Make sure food is cooked thoroughly and steaming hot where cooking or reheating is needed.[1]
What changes after a power cut?
Before considering refreezing after an outage, start with the food-safety facts. The FSA says an outage lasting less than four hours is unlikely to affect chilled or frozen food safety. If a fridge reaches 8°C or above, food that normally needs refrigeration should be eaten within four hours and discarded if power is not restored within that time.[3]
Those points help decide whether food remained suitably chilled. They do not create a universal permission to refreeze food. If the timing or temperature is unknown, take the cautious route. Read how to protect food during a power cut and food safety after a power cut for the linked preparation and post-outage decisions.
Who should be especially cautious?
Young children, pregnant women, older people and people with underlying health conditions are at greater risk from food poisoning. Use extra care with food that may have warmed during an outage. Follow current official guidance and relevant healthcare advice for babies or people with specific dietary or medical needs.[3]
Practical conclusion
Use the category and the facts you know. Do not refreeze raw meat, fish or poultry after defrosting. Cooked meat, fish and poultry can be frozen once after cooking if cooled. Do not refreeze thawed ice cream or frozen desserts.[1]
If you are checking a packaged product for a current safety alert, search RecallBite’s live recalls by product name, brand, lot code, batch code or available barcode.
Frequently Asked Questions
Refreezing food FAQs
Can I refreeze raw chicken after it has thawed?
No. NHS Inform says that raw meat, fish and poultry cannot be frozen again after they have been defrosted.
Can I refreeze cooked chicken?
Cooked meat, fish and poultry can be frozen again once after cooking if they have cooled. NHS Inform advises limiting this to one refreezing after cooking.
Can I refreeze melted ice cream?
No. NHS Inform says that ice cream and frozen desserts should not be returned to the freezer once they have thawed.
How long can defrosted food stay in the fridge?
NHS Inform says that once food has defrosted it should be cooked and eaten within 24 hours.
Can I refreeze food after a power cut?
There is no universal answer for every product. Check the outage duration, temperature and food type first. If the facts are unclear, take the cautious route and follow current official guidance.
References
Official sources
Scotland source · 1
NHS Inform - Preparing and cooking food safelyReviewed 8 August 2026
England, Northern Ireland and Wales source · 2
Food Standards Agency - How to chill, freeze and defrost food safelyReviewed 8 August 2026
England, Northern Ireland and Wales source · 3
Food Standards Agency - Food safety in a power cut: advice for consumersReviewed 8 August 2026
RecallBite editorial note: This article summarizes official public guidance and is not individualized medical advice. Guidance may change; use the linked official source, food packaging and relevant local advice when making a safety decision.