Heat oven to 400°F. Grease or spray cookie sheet. Unroll dough; place on cookie sheet. Starting at center, press out dough into 13x9-inch rectangle.
Bake 7 minutes. Top with pepperoni and cheese.
Bake 8 to 10 minutes longer or until cheese is melted. Cool 2 minutes. Cut pizza in half lengthwise, then cut into a total of 16 (1 1/2 inch) strips. Serve with pizza sauce for dipping.