Move oven rack to lowest position. Heat oven to 425°. Mix baking mix, water and oil until dough forms; beat vigorously 20 strokes. Let stand 8 minutes.
Grease bottom and sides of jelly roll pan, 15 1/2x10 1/2x1 inch, or cookie sheet with shortening. Press dough in bottom and up sides of pan, using hands dipped in baking mix. Or press into 13x10-inch rectangle on cookie sheet; pinch edges to form 3/4-inch rim. Spread pizza sauce over dough; top with pizza toppings. Sprinkle with cheese.
Bake 15 to 20 minutes or until crust is brown and cheese is melted.