Place 8 oz. uncooked pasta into a pre-seasoned 9 x 13-inch baking pan.
Add 1 (24 oz.) jar spaghetti sauce to pan.
Add 2 cups water. Stir until blended.
Cover evenly with 3 1/2 ounces pepperoni.
Dice 1 green bell pepper.
Sprinkle chopped green pepper over pepperoni. Add drained can (2.25) sliced black olives. Add 2 cups mozzarella cheese. Bake in preheated 350 degree oven for 45 minutes. Remove from heat, serve, and enjoy!