Italian Crescent Casserole - cooking recipe

Ingredients

1 lb. ground beef
1/4 c. chopped onion
1 c. spaghetti sauce
1 1/2 c. shredded Mozzarella
1/2 c. sour cream
1 can refrigerated crescent rolls
1/3 c. Parmesan cheese
2 Tbsp. butter, melted

Preparation

Preheat oven to 375\u00b0.
In large skillet, brown beef and onion; drain.
Stir in spaghetti sauce.
Heat through.