Spray counter lightly with non-stick cooking spray. Flatten each roll into a 4 1/2-inch circle. Place circles on sprayed baking sheets. Cover with plastic wrap and let rest 20 minutes.
Remove wrap. Dip 4-inch cookie cutters into flour and cut desired shapes out of each dough circle.
Pre-bake at 350°F 8-10 minutes. Remove from oven and let cool.
Top each one with pizza sauce, grated cheese, red and green pepper strips and pepperoni pieces. Bake for an additional 6-8 minutes or until cheese is nicely melted.