Mexican Pizza

Preheat oven to 400°. In medium size skillet, brown onion in oil. Add beef and cook thoroughly. Drain well. Add taco seasoning and mix well, set aside. Grease a 12-inch round pizza pan. Evenly distribute the cornmeal over greased pan. Shake off any that does not adhere to the pan, set aside. (The cornmeal creates a crisper crust). On a lightly floured work surface, roll dough out to fit pan. Place dough in pan, pressing to sides. Bake crust for 15 minutes. Remove from oven. Sprinkle 1 cup of Jack and 1 cup of Cheddar cheese over the crust. Top with taco meat, beans and chilies. Sprinkle with remaining cheese, top with olives and green pepper. Turn oven down to 375° and bake for 20 minutes or until cheese is bubbly and crust edges are brown.