For Thin Crusts: Heat oven to 425°. Grease 2 cookie sheets or 12-inch pizza pans with oil. Divide dough in half. Pat each half into 12-inch circle on cookie sheets.
Partially bake 7 to 8 minutes or until crust just begins to brown. Add toppings and bake 8 to 10 minutes or until cheese is melted.
For Thick Crusts: Grease 2 square pans, 8x8x2 inches, or 2 round pans, 9x1 1/2 inches, with oil. Sprinkle with cornmeal. Divide dough in half. Pat each half in bottom of pan. Cover loosely with plastic wrap and let rise in warm place 30 to 45 minutes or until almost double. Move oven rack to lowest position. Heat oven to 375°. Partially bake 20 to 22 minutes or until crust just begins to brown. Add toppings and bake about 20 minutes or until cheese is melted.
*Do not use self-rising flour.