Place under a hot grill until the cheese has melted.

Cook at 100 percent power for 11 to 12 minutes or until hot and the cheese is melted.

Place under the broiler until the cheese is golden brown.

Return the onions to the oven until the cheese is melted, about 5 minutes.

Place under the broiler for about 2 or 3 minutes until the cheese is golden brown.

Cover the pan, and cook over a gentle heat for 5 minutes or until the cheese has melted.

Place under the broiler until the cheese is melted and beginning to brown.

Slowly he pulled the pizza away until the cheese separated.

Heat in the oven until the cheese melts, about 2 minutes.

Transfer to the oven and cook until the cheese has melted, about 4-5 minutes.