1 cup uncooked elbow macaroni
1/2 lb lean ground beef (90% lean)
6 small fresh mushrooms, halved
1/3 cup chopped onion
1 can (8oz) tomato sauce
1 package (3-1/2oz) sliced pepperoni
2 tbsp sliced ripe olives
1 tsp sugar
3/4 tsp Italian seasoning
1/4 tsp pepper
1/4 cup shredded cheddar cheese
1/4 cup shredded part-skim mozzarella cheese