Italian Hot Dish

1 1/2 cups small pasta shells
1 lb. ground beef
1 cup sliced fresh mushrooms
1/2 cup chopped onion
1/2 cup chopped green pepper
1 can (15 oz) tomato sauce
1 tsp dried oregano
1/2 tsp garlic powder
1/4 tsp onion powder
1/8 tsp pepper
1/2 cup shredded mozzarella
4 tsp grated parmesan

• Cook pasta according to package directions. Meanwhile, cook the beef, 1/2 cup mushrooms, onion and green pepper until meat is no longer pink.  Stir in tomato sauce, oregano, garlic powder, onion powder, and pepper.  Bring to a boil.  Reduce heat; cover and simmer 15 minutes.
• Drain pasta; place in 8-inch square baking dish coated with cooking spray.  Top with meat sauce and remaining mushrooms.  Sprinkle with 1/4 cup mozzarella and 2 tsp parmesan.
• Cover and bake at 350* for 35 minutes.  Uncover and sprinkle with remaining cheeses.  Bake until cheese is melted.

(Recipe from Emily C.)