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Utensils & kitchen tools · Thermometer

Food thermometer

A probe or dial that measures the temperature of food, oil, sugar or the oven for accurate cooking.

Useful to have · Electric · 153 recipes

What it is

Instant-read digital probes give a reading in seconds when inserted into food. Leave-in probes stay in a roast with a cable to a display. Clip-on sugar or deep-fry thermometers measure syrups and oil, and oven thermometers sit on the shelf. Infrared thermometers read surface temperature only.

What it’s for: Judging doneness and food safety by temperature instead of guesswork.

How to use it

  1. Insert the probe into the thickest part of the food, away from bone and fat.
  2. Wait until the reading stabilises.
  3. For oil or sugar, clip it to the pan so the tip is in the liquid but not touching the base.
  4. Clean the probe between raw and cooked food.

Good to know

Tasks
checking meat and poultry doneness, monitoring deep-frying oil, cooking sugar to soft-ball or hard-crack, tempering chocolate, checking bread is baked, checking oven accuracy
Cooking methods
Roasted, Grilled, Deep-fried, Oven-baked, Sous vide, Barbecued, Smoked
Materials
stainless steel probe, glass, plastic housing
Care and cleaning
Wipe the probe with hot soapy water or a sanitising wipe; do not submerge digital units unless waterproof. Check accuracy in iced water (0 °C).
Limitations
Wrong placement gives misleading readings; infrared types do not read inside food.

Safety

  • Wash the probe after testing raw meat before testing again.
  • Poultry, minced meat and reheated leftovers should reach safe internal temperatures.

If you don’t have one

  • Visual and touch tests — Clear juices, firm texture or a wooden spoon handle bubbling in oil are rough guides, less reliable.

Equipment guide

How it works: Digital probe thermometers measure temperature with a sensor near the tip: a thermistor (a resistor whose resistance changes with temperature) or a thermocouple (two metals that produce a tiny voltage). Thermocouples read fastest. Infrared thermometers read surface temperature only, from the radiation the surface emits.

MaterialGoodWatch out
Stainless steel probeDurable, food-safe and quick to clean.Thin probes bend if forced.
Instant-read probe
Reads in about 2–5 seconds; checking doneness.
Leave-in probe with cable
Monitors a roast or oil with an alarm.
Wireless probe
Sits inside the meat during cooking.
Candy or deep-fry thermometer
Clips to the pan; reads to about 200 °C or more.
Infrared thermometer
Surface temperature of pans, griddles, pizza stones; not for food doneness.
Oven thermometer
Checks whether your oven runs true.

Buying guidance

Starting out: A digital instant-read probe that covers −20 to 200 °C or more.

Keen cook: Add a leave-in probe for roasts and deep-frying.

Professional: Calibrated probes with records are part of food-safety checks.

  • Speed: 2–5 seconds
  • Accuracy: ±0.5–1 °C
  • Range covering frying (to about 200 °C or more)
  • Thin probe tip
  • Calibration option (check in iced water at 0 °C)

No brands or prices — check current reviews before buying.

Techniques:RoastingBakingGrillingSearingSmokingCharcoal grillingShallow-fryingDeep-fryingConfitPoachingEmulsificationClarificationFermentationSous videGelification

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Recipes that use it

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