1 Bake in the preheated oven until the meatballs are tender, about 40 minutes. Remove meatballs to a serving dish.  To make brown gravy, pour pan drippings into a saucepan over medium heat. Whisk the flour into the pan drippings until smooth, and gradually whisk in enough beef broth to total about 2 1/2 cups of liquid.
Room Temperature. 28 pages on this wiki. Room Temperature (RT) is generally defined as the ambient air temperature in whatever environment being used for a given procedure. More specifically, it is defined as 20-25Â°C (68-77Â°F), as some ambient temperatures, by nature, do not fall within this range.oom Temperature. 28 pages on this wiki. Room Temperature (RT) is generally defined as the ambient air temperature in whatever environment being used for a given procedure. More specifically, it is defined as 20-25Â°C (68-77Â°F), as some ambient temperatures, by nature, do not fall within this range.
The degree Celsius (Â°C) can refer to a specific temperature on the Celsius scale as well as a unit to indicate a temperature interval, a difference between two temperatures or an uncertainty.