Delicious Ground Beef Pizza Casserole

• 1 lb lean ground beef
• 1 large onion, chopped
• 1 medium green pepper, chopped
• 1 tablespoon fresh minced garlic
• salt or seasoning salt and pepper
• 3 -4 tablespoons grated parmesan cheese
• 1 lb pepperoni, divided
• 1 (4 ounce) can sliced mushrooms, drained
• 4 cups pasta sauce
• 3 -4 cups rigatoni pasta (cooked to firm-tender and drained, do not overcook the pasta)
• 4 cups mozzarella cheese, divided

1. Grease a 13x9-inch baking dish.
2. Cook the gound beef in a medium skillet with the onions, green peppers, garlic, salt pepper until meat is browned and veggies are tender; drain fat, and mix in the Parmesan cheese.
3. Stir in the 1/2-pound pepperoni (chop this pepperoni to add to the mixture, leave the remaining half pound pepperoni sliced), mushrooms, pasta sauce; stir well until combined; simmer for 20-25 minutes on top of stove.
4. Set oven to 350 degrees.
5. Place the cooked rigatoni pasta on the bottom of the greased baking dish.
6. Sprinkle with 2 cups mozzarella cheese over the pasta.
7. Layer with pepperoni slices evenly over the cheese.
8. Top with the ground beef/pasta sauce mixture.
9. Bake uncovered for 30 minutes.
10. Remove from oven, sprinkle with the remaining 2 cups mozzarella cheese.
11. Return to oven and bake for 10 minutes longer, or until bubbly.
12. Let stand for 10-15 minutes before serving.

lean ground beef, onion, green pepper, garlic, salt, pepperoni, mushrooms, pasta sauce, rigatoni pasta, mozzarella cheese

Taken from www.food.com/recipe/delicious-ground-beef-pizza-casserole-119092 (may not work)