1 lb. ground beef
1/2 c. chopped onion
1/4 c. green olives, chopped
1 (4 oz.) can mushrooms
1 (12 oz.) pkg. egg noodles
20 oz. pizza or spaghetti sauce
1 (8 oz.) tomato sauce
1 c. milk
1 c. sliced pepperoni
1 (8 oz.) shredded mozzarella cheese

Brown beef with onions, olives and mushrooms; drain. Put into 4 quart casserole. Cook noodles. Combine with beef mixture and remaining ingredients, except cheese. Sprinkle cheese on top. Bake covered at 350 degrees for 45 minutes. Continue to cook uncovered for an additional 15 minutes.