Cooking Temperatures by Food

Chicken Internal Temperature UK: 75C Safe Cooking Guide

Chicken Internal Temperature UK: 75C Safe Cooking Guide

Chicken is the highest-risk protein in most UK food businesses. Campylobacter is found on the surface of approximately 50% of retail chicken, and Salmonella remains a persistent concern. Unlike whole-muscle beef or lamb, chicken must be cooked thoroughly all the way through. There is no safe "rare" or "medium" option. The standard core temperature for chicken in UK food businesses is 75C, and every piece must be checked with a calibrated probe thermometer. This article covers exactly where to probe, how to handle whole birds versus portions, and the corrective actions required when chicken does not reach the safe temperature.

Key takeaways

Chicken must reach a core temperature of 75C. There is no safe "rare" or "medium" option for poultry
Probe the thickest part of the thigh on whole birds, and the geometric centre of breasts and portions
Visual indicators like clear juices and no pink meat are not reliable. Always use a calibrated probe thermometer
If chicken does not reach 75C, continue cooking and re-probe. Never serve undercooked chicken
In Scotland, reheated chicken must reach 82C

Quick Answer: Chicken Must Reach 75C at the Core

In a UK food business, chicken should reach 75C at the core for at least 30 seconds before service. The Food Standards Agency also recognises equivalent time-temperature combinations such as 70C for 2 minutes, but 75C is the simplest working target for a busy kitchen because it gives a clear single probe reading. The target applies to whole birds, breasts, thighs, drumsticks, wings, diced chicken, chicken burgers, goujons, kebabs, and any cooked dish containing raw poultry. Chicken must be steaming hot throughout, with no pink meat in the thickest part, but visual checks are only a backup. The verified food safety control is a calibrated probe reading from the coldest point.

Chicken Temperature Chart for UK Kitchens

Use 75C core as the standard critical limit for raw chicken cooked for service. Whole chicken or turkey: probe the thickest part of the thigh, between the leg and breast, avoiding bone. Chicken breast: probe the geometric centre of the thickest section. Bone-in thighs and drumsticks: probe the thickest meat, parallel to the bone without touching it. Diced chicken, goujons, skewers and kebabs: probe the largest pieces in the centre of the tray or grill batch. Chicken burgers and minced poultry: probe the centre because bacteria may be distributed throughout the product. Reheated cooked chicken: reheat rapidly to 75C core, or 82C if operating in Scotland or using the Scottish standard. Record the lowest reading from each batch.

Where to Probe: Whole Birds, Portions, and Batch Cooking

For a whole chicken or turkey, probe the thickest part of the thigh, between the leg and the breast. This is the last area to reach temperature because it is the densest part of the bird and furthest from the heat source in most cooking methods. Avoid touching bone with the probe tip, as bone conducts heat faster than muscle and will give a falsely high reading. For chicken breasts, probe the geometric centre of the thickest part. For bone-in thighs or drumsticks, probe the thickest section of meat, keeping the probe parallel to the bone rather than touching it. For batch-cooked items such as chicken pieces on a tray, probe at least 2-3 pieces per batch, selecting the largest pieces and those in the centre of the tray (which receive less direct heat). Record the lowest reading as your temperature for that batch. For stuffed poultry, you must also probe the centre of the stuffing. Stuffing inside a bird acts as an insulator and reaches temperature much more slowly than the meat. Many food safety professionals recommend cooking stuffing separately for this reason.
Cooking Temperatures by Food

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Visual Indicators Are Not Reliable

Many cooks rely on visual cues: clear juices, no pink meat, or the leg pulling away easily from the body. These indicators are not reliable enough for a commercial kitchen. Chicken can appear fully cooked (no pink, clear juices) at temperatures below 75C. Conversely, chicken cooked to 75C or above can sometimes retain a pink tinge near the bone, particularly in young birds, due to haemoglobin leaching from the marrow. This does not indicate undercooked meat. The only reliable method is a calibrated probe thermometer. Visual checks can supplement a probe reading but must never replace it. If an EHO asks how you verify chicken is cooked, the answer must involve a probe thermometer. "We check the juices are clear" is not an acceptable response in a commercial food business and will be flagged as a food safety concern. Train all kitchen staff to use a probe thermometer for every batch of chicken cooked, without exception.

What to Do if Chicken Is Below 75C

If the thickest part reads below 75C, continue cooking immediately and re-probe before service. Do not plate it, hold it hot, or try to fix it later on the pass. If a batch has mixed readings, treat the lowest reading as the batch result and keep cooking the full batch unless you can safely separate verified cooked pieces from undercooked pieces without cross-contamination. If chicken has already been served, isolate the batch, stop service of the dish, inform the manager, and follow your incident procedure. Record the first temperature, corrective action, final temperature, staff member, and any equipment or portion-size issue that caused the failure.

Corrective Actions When Chicken Does Not Reach 75C

If you probe chicken and it has not reached 75C, the corrective action is straightforward: continue cooking. Return the chicken to the heat source and cook for a further period, then re-probe. If the chicken has already been removed from the cooking equipment and has started cooling, it must go back into the cooking process. Do not assume that partial cooking has made it safe. If the chicken has been plated, served, or has sat at ambient temperature for an extended period, it must be discarded. Do not microwave chicken to "top up" the temperature after conventional cooking, as microwaves heat unevenly and can leave cold spots. Record every corrective action: the initial temperature reading, the action taken, the final temperature after further cooking, and the name of the person who checked. Repeated failures to reach temperature should trigger an investigation: are portions too thick? Is the oven calibrated correctly? Is the cooking time adequate for the volume being prepared?

What to do next

Probe every batch of chicken without exception

Make probing a non-negotiable step in your chicken cooking process. Check at least 2-3 pieces per batch, targeting the largest items and those in the centre of the tray.

Train all kitchen staff on correct probing technique

Ensure every cook knows where to insert the probe for different chicken cuts, how to avoid bone contact, and how long to wait for a stable reading (15-30 seconds).

Display a chicken temperature reminder in the kitchen

Laminate a simple card showing the 75C target, probe positions for whole birds and portions, and the corrective action procedure. Fix it near the oven or grill.

Common mistakes to avoid

Mistake
Relying on juice colour to determine if chicken is cooked
Instead
Clear juices do not guarantee 75C has been reached. Use a calibrated probe thermometer every time, without exception.
Mistake
Probing chicken against the bone
Instead
Bone conducts heat faster than meat and gives a falsely high reading. Keep the probe in the thickest part of the muscle, away from bone.

Frequently asked questions

What internal temperature should chicken be cooked to in the UK?

Chicken should reach a core temperature of 75C. This applies to all cuts: whole birds, breasts, thighs, drumsticks, and wings. The equivalent combination of 70C held for 2 minutes is also acceptable, but 75C is the standard working target for UK food businesses.

Where do you put the thermometer in chicken?

For a whole bird, probe the thickest part of the thigh between the leg and breast, without touching bone. For breasts, thighs, drumsticks, burgers, goujons and diced chicken, probe the thickest or largest pieces and use the lowest reading as the batch result.

What happens if chicken is 73C or 74C?

Keep cooking and re-probe. Do not round up to 75C. Probe accuracy, uneven heat, and thicker pieces mean a reading just below the limit should be treated as a failed critical limit until the food reaches the target.

Can chicken be pink and still be safe?

Yes, in some cases. Chicken cooked to 75C or above can retain a pink tinge near the bone due to haemoglobin leaching from the marrow. This is harmless. However, pink meat away from the bone typically indicates the chicken has not reached the correct core temperature. Always verify with a probe thermometer rather than relying on colour.

How do I check the temperature of a whole roast chicken?

Insert a calibrated probe thermometer into the thickest part of the thigh, between the leg and the breast. Avoid touching the bone. Wait 15-30 seconds for the reading to stabilise. The reading should be 75C or above.

Is 70C OK for chicken?

70C held for 2 minutes achieves the same pathogen kill as 75C for 30 seconds. However, you must verify both the temperature and the hold time, which is difficult in a busy kitchen. Most UK food businesses and EHOs recommend 75C as the simpler and safer standard.

Can you cook chicken from frozen?

Yes, but it takes approximately 50% longer than cooking from thawed. The critical safety requirement is that the core temperature reaches 75C regardless of whether the chicken started frozen or thawed. In a commercial kitchen, this is risky because the outside can overcook while the centre remains cold. Best practice is to thaw chicken in the fridge at 5C or below before cooking. If you must cook from frozen, use a probe thermometer to verify 75C at the thickest point and check multiple spots.

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