Instructions

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