2 lb lean ground beef
1 lb bulk sausage
1 small pkg sliced pepperoni
1 1/3 cups dry rigatoni, cooked according to pkg directions
2 cans cream of mushroom soup, undiluted
1 small can mushroom stems and pieces, drained
1 medium yellow onion, chopped
32-oz pizza sauce*
1 pkg (16-oz) shredded mozzarella
Parmesan cheese for topping, optional
Lightly brown the ground beef and sausage in a large skillet; drain off excess fat.
In crockpot or slow cooker, layer ingredients as listed using half of each ingredient then repeat with the remaining half. Ground beef on bottom, onion, pepperoni, rigatoni, sausage, mushroom soup, mushrooms, sauce, mozzarella. Be sure to end with mozzarella on top. Lightly sprinkle with Parmesan cheese, if desired. Cook on low setting for 4 hours.
To serve, sprinkle generously with Parmesan cheese, if desired.
*Spaghetti Sauce may be substituted.