Upside-Down Pizza Casserole - cooking recipe

Ingredients

1 lb. ground beef
1 c. chopped green pepper
1/4 lb. pepperoni, coarsely chopped
1 (2.5 oz.) jar sliced, drained mushrooms
1 c. chopped onion
1 (15 oz.) can pizza sauce
1/2 tsp. Italian seasoning
6 oz. thinly sliced Mozzarella cheese

Preparation

Heat oven to 400\u00b0.
Brown ground beef, onions and pepper. Drain.
Stir in pizza sauce, pepperoni, Italian seasoning and mushrooms.
Bring to a boil.
Reduce heat to low, simmer, uncovered, 10 minutes, stirring occasionally.