This can also be done in a dry, heavy skillet over a flame.

Chop the vegetables and heat them over a low flame.

He had put it on top of the stove, over a low flame.

Heat the oil in a large skillet over a high flame and brown the steaks quickly, about two minutes on each side.

Roast the pepper over a flame until it turns black.

Get your wok hot over a high flame, then add the oil.

A clear glass tube is heated over an open flame.

Over a high flame, reduce the cooking liquid to about one cup.

This mixture must then be heated over a very low flame.