Hi there a meat thermometer should be inserted very central .Being central will mean it will be show the temperature inside the food so you would know if it was cooking ok in there or not. be ssur to also insert it upright.
Most thermometers have a mark indicating how deep the thermometer should be inserted. If not then insert up to the dial. If you mean a roast by "roaster" than as close to the center of the meat as possible or the thickest part of the meat.
meat thermometer-maybe
The meat thermometer probe can be inserted into the thickest part of the meat like the thigh or breast.
You should not leave a meat thermometer in the turkey while it cooks. This is very dangerous and should be avoided.
I use a meat thermometer inserted at a joint. When I pull out the thermometer I look at the juices that come out to make sure there is no blood and the juice is clear.
Meat thermometer.
165 degrees
As long as your meat thermometer is calibrated correctly, it should only take about 2-5 seconds to get a reading.
Pink poultry or meat is normal when roasting or doing rotisserie. It is recommended to have a thermometer inserted to check for safe internal temperature.
Meat thermometer.
gas oven 130 degrees for an hour and halfMore information:Lamb should be cooked until the internal temperature is 75 degrees Celsius or 181 degrees Fahrenheit, tested with a meat thermometer inserted into the thickest part of the meat, not touching bone. The oven should be set at about 160° C (325° F)
When cooking meat it may be an idea to use a Taylor thermometer to keep checking the temperature of the meat. When the correct temperature is reached the meat should be ready to come out of the oven to cool ready for serving.
One will do the job, so long as it has a probe at least five inches long. Keep in mind that most electronic meat thermometers are designed to be inserted, read and removed. If left in the meat while in the oven, the thermometer will melt and self-destruct.