Crock Pot Lasagna

• 1 box rigatoni pasta; cooked
• 1 1/2 lb hamburger; browned and drained
• 1 package sliced pepperoni
• 1 bell pepper; chopped
• 2 pkgs. mozzarella cheese; shredded
• 2 cans pizza sauce
• 1 medium onion; chopped

Instructions:
Begin with a layer of sauce on the bottom of the crock pot. Stir all remaining ingredients together and place in crock pot. Cook on low for 5 hours.