Two Meat Casserole - cooking recipe

Ingredients

8 oz. medium shells, cooked
1 1/2 lb. ground round beef
1/2 lb. Italian sausage, casings removed
1 medium onion, diced
1 lb. fresh mushrooms, sliced
1 (1 lb.) jar Ragu sauce
1 large can Italian tomatoes, sliced
1 lb. sour cream
1 pkg. sliced Provolone cheese
1 pkg. sliced Mozzarella cheese

Preparation

Mix first 5 ingredients.
Add Ragu sauce and tomatoes.
Simmer the sauce for 45 minutes.
Layer:
1/4 sauce, 1/4 shells, 1/4 sour cream, 1/4 Provolone cheese and 1/4 Mozzarella cheese.
Repeat layers until all items have been used.
Top with grated Romano cheese.
Bake 30 to 45 minutes at 350\u00b0.