Italian Crescent Casserole - cooking recipe

Ingredients

1 lb ground beef
1 chopped onion
1 cup marinara sauce (your favorite brand)
1/2 cup sour cream
8 ounces shredded mozzarella cheese
1 (8 ounce) package Pillsbury Refrigerated Crescent Dinner Rolls
2 tablespoons butter, melted
1/4 cup grated parmesan cheese

Preparation

Brown ground beef and onion, drain.
Stir in marinara sauce (and I add a little salt and pepper).
In a medium-sized bowl, combine sour cream and mozzarella cheese.
Pour ground beef mixture into a 2 1/2 quart casserole dish. Spoon cheese mixture over beef mixture.
Unroll crescent roll dough on top of cheese mixture.
In a small bowl, combine melted butter and parmesan cheese.
Spread butter mixture over dough.
Bake at 375 for 20-25 minutes, until the dough is golden brown.