MIX batter ingredients in a pre-sprayed 9 1/2-inch deep dish pie plate. Spread pizza sauce evenly over batter.
TOP dough with pepperoni slices. Firmly push pepperoni into batter. Sprinkle with cheese.
BAKE by placing in a COLD oven; set temperature to 350°F. Bake for 30 minutes or until done.
NOTE: If using large pepperoni slices, cut each slice in half or quarters for easier serving.
Recipe Note: If desired, batter may be mixed in a separate bowl. Proceed as directed above.