Prep Tools

Thermometer

Takes the guesswork out of doneness and temperature

Reads the internal or ambient temperature so you cook to a target instead of guessing. Essential for meat doneness, candy stages, and bread. Calibrate it now and then in ice water — it should read 32°F.

A kitchen thermometer reads internal or ambient temperature so you cook to a target instead of guessing. It's the difference between a juicy roast and a dry one, between fudge and a grainy mess, between safe chicken and undercooked. Whatever style you own, calibrate it now and then so you can trust the number.

Types & varieties

Instant-read (digital)

Fast spot-check of internal temp; the everyday all-rounder.

Leave-in probe

Stays in the food with a cable to an external display; tracks a roast as it cooks.

Candy / fry thermometer

High range with a pot clip for sugar work and deep-frying.

Infrared

Reads surface temperature instantly without contact — good for pans and griddles.

Oven dial thermometer

Sits inside the oven to reveal how far off the dial actually runs.

Oven Thermometer

Standalone dial or analog gauge that hangs on a rack to reveal an oven's true temperature, catching the calibration drift that throws off baking; it measures the chamber, not the food.

Calibrate and trust it

Thermometers drift, so verify yours against known points: a glass of crushed ice and water should read 0°C / 32°F, and rolling-boil water should read 100°C / 212°F at sea level. Many digital probes have a calibration adjustment; for the rest, just note the offset and account for it.

Ice water = 0°C / 32°F
Boiling water = 100°C / 212°F at sea level
Insert into the thickest part, away from bone
Wipe the probe between checks to avoid cross-contamination

Common uses

Checking meat and poultry doneness for safety and textureTracking sugar through candy and caramel stagesHolding frying oil at the right temperatureConfirming bread is baked through (internal temp)Tempering chocolate and scalding milk for yogurt or custardVerifying your oven's true temperature

Tips & pitfalls

Insert into the thickest part of meat, clear of bone, fat, and the pan, for the truest reading.
Pull roasts a few degrees early — carryover heat keeps cooking them as they rest.
Check thin foods from the side so the sensor sits in the center, not poking out the far end.
Keep a cheap oven thermometer inside — most home ovens are 10–15°C off the dial.
Don't submerge the digital handle in water; just clean the metal probe.

Good to know

Types: Instant-read, leave-in probe, candy, oven dial, infrared
Calibration check: 0°C / 32°F in ice water; 100°C / 212°F in boiling water (at sea level)
Care: Wipe the probe; don't submerge the digital body
Price range: €10–100 depending on type
Best for: Meat doneness, candy stages, bread, oil, dairy

Also called

food thermometer · kitchen thermometer