Instructions

  1. Set oven to 350°F.
  2. Butter a 13x9-inch casserole dish.
  3. In a large bowl stir together the undiluted soup, milk, sour cream, melted butter, seasoned salt, black pepper, garlic powder and 1/4 cup parmesan cheese; whisk or mix until well combined.
  4. Mix in the cheddar cheese, onions and hash browns.
  5. Spread into prepared baking dish.
  6. Sprinkle with about 1/2 cup parmesan cheese.
  7. Bake uncovered for 40 minutes or until hot and bubbly.
  8. If desired sprinkle about 2 cups grated chedar cheese on top and return to oven for 3 minutes to melt the cheese.