Ingredients:

2 pounds lean ground beef, low fat

1 cup dry bread crumbs

2 eggs beaten

1 chopped onion

1 chopped bell pepper

1 cup chopped mushrooms

1 cup chopped black olives

3/4 teaspoon salt

1 teaspoon leaf oregano

1 8 oz can tomato sauce

1 cup shredded mozzarella cheese

1 cup shredded cheddar cheese

2 cans crescent rolls