Divide crescent roll dough in half. On each of two 12 inch strips of wax paper, press half of dough to form an 11 x 7 inch rectangle. press perforations together to seal crust. Brush each crust lightly with cooking oil.
Place one of the crusts on a microwave roasting rack in a 12 x 7 inch glass dish or trivet and dish accessory. Microwave on roast for 4 minutes. Hold paper firmly and flip dough over. Carefully peel off wax paper. Microwave on roast 3-4 minutes more, until crust is set and crisp. There may be some brown spots.
Spread 1/2 of the sauce evenly over crust, spreading to edges. Top crust with half of pepperoni and sprinkle with half of cheese. Microwave on roast 2 minutes or until cheese bubbles. Remove to cooling rack. Repeat steps 3-6 with second crust. Cut pizzas into bite-size serving pieces. Serve warm. Makes 2 pizzas.