Thermometers
•A thermometer is an instrumentthat is used to measuretemperature.
•Thermo means heat
•Meter means to measure
What is a thermometer?
To determine if the food was safe to eat,completely cooked, or in the danger zone.
Why would you use thethermometer with foods?
Temperatureis measuredon twoscales:Celsius andFahrenheit.
98.6
37
C
F
The Fahrenheit scaleis the most popular inthe United States.
Its symbol is “F.”
F
is the symbol fordegrees.
100o is read 100 degrees
Temperature ismeasured in degrees.
Types of food thermometers
digital instant-read
dial oven-safe
oven probewith cord
disposabletemperature
indicators
thermometer forkcombination
dial instant-read
Danger Zone
The Food Danger Zone is __________.
41° to 135°
Freezer Temperature
Freezers should be 0 degrees F or less
Refrigerator Temperature
Refrigerator temperatures should be 41degrees or less
155
Ground Meat (Beef, Pork, Lamb)
Cook ground meats to155 degrees F
Poultry (Chicken & Turkey)
Cook poultry to165 degrees F
Holding Hot Foods
Hold hot foods at 135 degrees F
Reheating Leftovers
Reheat leftovers until a temperature of165°F is reached throughout the food.
Proper procedure for takingtemperature of food.
Wipe thermometer clean.
Stick into thickest part of food (away from bone) or in themiddle of a liquid. (Internal Temperature)
Wait until needle or fluid stop moving. (15 seconds forquick read)
Calibrating a Thermometer
Fill a 2 quart container with ice and add water to 1” from the top of thecontainer.
Stir and let sit for 1 minute.
Insert the thermometer into the ice water (don’t touch sides or bottom andDON’T submerge the dial).
Let the thermometer stay in the water for about 30 seconds.
Adjust the hex – while in the water until the dial reads 32 F
Sanitation Lab
3 steaks per kitchen
Cook one to 145, one to 155 and one to 165 degrees
Take the temperature correctly – as shown in class
Evaluate each for taste, color and texture – on your labsheet
No seasoning except salt and
pepper
After you evaluate you can
use steak sauce
