1 1/2 lbs. ground beef
1/2 med. onion, chopped
1 pt. jar spaghetti sauce
1 c. Cheddar cheese
2 c. Mozzarella cheese
1 pkg. crescent rolls
Green pepper and mushrooms, optional

Brown ground beef and onion (with green pepper if desired). Drain. Add spaghetti sauce; put in baking dish. Add 1 cup Cheddar cheese and 2 cups Mozzarella cheese. Make crust over top of pie with crescent roll dough. Overlap edges. Bake at 350 degrees for 20 to 30 minutes until dough is golden brown.