Preheat oven to 375°. Separate tubes of dough into 8 rolls each; halve the rolls. Press dough onto the bottom and up the sides of miniature muffin cups coated with cooking spray. , Spoon pizza sauce into each cup. Sprinkle with onion, green pepper, pepperoni and cheese. Bake until the crusts are browned and cheese is melted, 15-18 minutes.