(From my Betty Crocker Cookbook, 1983 edition, but I've modified it slightly, of course, knowing me...)
1 lb hamburger (sometimes I'll add a little sausage or bacon for flavor)
Pizza Dough (see recipe here)
1 can (16 oz) whole tomatoes (or used diced) drained (I never drain it)
1 Tbsp instant minced onion
1 tsp dried oregano leaves
1 tsp salt
1/4 tsp pepper
1/8 tsp garlic powder (or crushed garlic clove)
1 small green pepper
1 can (4 oz) mushroom stems and pieces, drained
1 C shredded mozzarella cheese (about 4 oz) (I usually also add a little shredded cheddar cheese for color & flavor)
Cook and stir hamburger until light brown; drain. Prepare Pizza Dough. Mix tomatoes, onion, oregano, salt, the pepper and garlic powder; break up tomatoes with fork.
Press dough evenly on bottom and halfway up sides of greased oblong baking dish, 13x9x2 inhes. Sprinkle hamburger over dough. Spoon sauce over hamburger; top with green pepper, mushrooms and cheese. Cook in 425 degree oven until cheese is light brown, 20-25 minutes. 8 servings.