31.   Heat large nonstick skillet over medium heat until hot.

32.   Heat nonstick skillet large enough to hold the onion and tomatoes until it is very hot.

33.   Heat oil in a large nonstick skillet over medium heat.

34.   Heat oil over medium-high heat in a medium nonstick skillet coated with cooking spray.

35.   Heat the clarified butter or vegetable oil in a nonstick skillet over moderate heat.

36.   Heat the oil in a heavy nonstick skillet until almost smoking.

37.   Heat the oil in a small nonstick skillet over medium-high heat.

38.   Heat a nonstick skillet over medium heat until it is very hot.

39.   Heat a nonstick skillet over medium.

40.   Heat nonstick griddle or a large nonstick skillet that has been lightly coated with butter.