Delicious Ground Beef Pizza Casserole

This is not hard to throw together, I make this quite often and my family loves this casserole!

• Ready In: 1 hr 10 mins
• Serves: 6

Ingredients

• 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

Directions

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.