1 lb. mild Italian sausage
1 can (15 oz) pizza sauce
4 oz. can mushrooms, drained
1 1/2 c. shredded Provolone cheese
1/3 c. chopped onion
6 oz. cooked spaghetti, drained
2 tbsp. chopped olives with pimentos
2 tbsp. grated cheese

Preheat oven to 350°F. Cook sausage and onion in a large skillet, breaking sausage into small pieces, drain. Combine meat with pizza sauce, spaghetti, mushrooms, olives and 1 cup of shredded Provolone cheese. Pour into a buttered 1 1/2 quart casserole dish.

Bake 15 minutes then remove from the oven and add remaining cheeses.

Bake an additional 10 minutes or until hot and bubbly.