Delicious Ground Beef Pizza Casserole - cooking recipe

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

Preparation

Grease a 13x9-inch baking dish.
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.
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.
Set oven to 350 degrees.
Place the cooked rigatoni pasta on the bottom of the greased baking dish.
Sprinkle with 2 cups mozzarella cheese over the pasta.
Layer with pepperoni slices evenly over the cheese.
Top with the ground beef/pasta sauce mixture.
Bake uncovered for 30 minutes.
Remove from oven, sprinkle with the remaining 2 cups mozzarella cheese.
Return to oven and bake for 10 minutes longer, or until bubbly.
Let stand for 10-15 minutes before serving.