Ingredients
Equipment. Instant-read digital thermometer
Method
- Find the thickest part of the piece: the deepest point of the breast, the inner thigh, the meaty part of the wing.
- Push the probe into that spot so the tip sits in the middle of the meat. Go in from the side if the piece is thin.
- Keep it off bone, fat and gristle. Bone conducts heat differently from muscle and gives you a reading that belongs to the bone.
- Wait for the number to settle rather than reading it the instant it appears.
- Look for 74C / 165F or higher. Below that, put the chicken back on the heat and check again in a few minutes.
- Check each piece separately. A tray of thighs does not cook evenly. Do not judge the tray by the piece at the edge of the pan.
Where do you put the thermometer?
In the thickest part of the meat, away from bone, fat and gristle. Bone conducts heat differently and gives a false reading.
On a whole bird, check three places: the innermost part of the thigh, the wing and the thickest part of the breast.
On a thin cutlet, go in from the side. A probe pushed straight down through half an inch of meat has its tip somewhere in the pan.
Check each piece on its own. Ovens have hot corners and pans have crowded edges, so the thigh you probed is evidence about that thigh only.
Why are pink meat and clear juices unreliable?
Pink comes from myoglobin, and it does not fade at one fixed temperature. The pH of the muscle moves the goalposts, so meat can stay pink well past 165F and still be fully cooked.
Young birds add a second cause. Their bones have not finished hardening, so marrow pigment seeps into the meat around them and stains it red or purple.
Clear juices are the same trap. The pink in the juice is myoglobin dissolved in water, not blood, and it loses its colour on the same unreliable schedule.
Do chicken thighs need to go higher than 165F?
Not for safety. 74C / 165F is the floor for every cut, breast and thigh alike. The higher numbers you see for dark meat are about texture.
Thighs and drumsticks carry a lot of connective tissue, and its collagen turns to gelatin between about 140F and 195F. The longer they spend in that band, the more tender they get.
Breast meat has almost no collagen, so it gains nothing above the safety number and only loses moisture.
How much does chicken keep cooking after it comes off the heat?
Enough to matter on large pieces and barely at all on small ones. Carryover scales with the mass of the piece and with how hot you cooked it.
You can pull a whole roast bird a few degrees short of a hot oven and let it climb on the rack.
On a thin cutlet, or anything out of a simmering pot, there is no margin to spend. Take the reading you actually want.
Is the number different for whole birds, ground chicken or stuffing?
No. 74C / 165F covers whole birds, pieces, ground chicken and any stuffing cooked inside the bird.
On a whole bird, take the reading in the thickest part of the breast and check the innermost thigh as well.