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Guide
You cannot reliably confirm a safe internal temperature by sight, touch or cooking time alone. If no food thermometer is available, keep cooking and use sensory clues only as rough quality checks.
Not with dependable food-safety certainty. Colour, firmness and clear juices can change with the cut, lighting, cooking method and ingredients, so they do not prove that the coldest part has reached a safe temperature.
Follow a reliable recipe for the exact cut, weight and appliance, allow the appliance to preheat, and extend cooking when conditions differ. These controls lower uncertainty, but they do not replace an internal reading.
Cut into the thickest part and look for obvious raw texture or a cold centre. Avoid bone and stuffing when judging the meat itself. If anything appears undercooked, return it to the heat rather than tasting it.
Chicken, turkey and ground meats deserve particular caution because surface contamination can be distributed through the food. Without a thermometer, choose more cooking time rather than relying on colour alone.
Refrigerate perishable food promptly in shallow containers. When reheating, heat it thoroughly and evenly; stirring and a short standing time help reduce cold spots, but a thermometer remains the reliable check.
Keep an instant-read thermometer accessible, clean its probe before and after use, and check it periodically in an ice-water or boiling-water reference appropriate to your location.
Common questions
Cut into the thickest area and look for a cold or visibly raw centre, but understand that colour and texture cannot confirm safety. When uncertain, continue cooking and obtain a food thermometer.
You cannot measure it accurately without a suitable instrument. Cooking time, appearance and touch are only indirect clues.
No. Juice colour is not a reliable substitute for measuring the internal temperature in the thickest part.
Touch may suggest doneness to an experienced cook, but it does not measure temperature or establish food safety.