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close up of easy grilled cheesy potato casserole
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5 from 1 vote

Easy Grilled Cheesy Potato Casserole

Funeral potatoes, party potatoes, cheesy potatoes? The names are varied and many, but with golden edges, a sexy crust, melty cheese, creamy, tender, fluffy potatoes, Easy Grilled Cheesy Potato Casserole is everything my comfort food craving little heart could possibly desire!
Prep Time5 minutes
Cook Time30 minutes
Course: Side Dish
Cuisine: American
Keyword: easy grilled cheesy potato casserole
Servings: 10
Calories: 373kcal


  • 3 tablespoons butter
  • 1 cup onion, diced fine
  • 3 cloves garlic, minced
  • 1 teaspoon kosher salt
  • 1/2 teaspoon pepper
  • 32 ounces frozen, square hash browns - DEFROSTED
  • 2 cups sour cream (not fat free)
  • 10.5 ounces cream of chicken soup
  • 8 ounces extra sharp cheddar, shredded

Crispy Topping

  • 2 cups corn flakes, crushed
  • 3 tablespoons butter, melted
  • 2 tablespoons parsley, fresh, chopped


  • Preheat a barbecue grill to 350-400 degree grate temperature, set up for indirect cooking.
  • Place a 12" cast iron pan directly over a medium high heat source and melt the butter.
  • Add the onion, garlic, salt, and pepper and sauté for 2-3 minutes until the onion is tender.
  • Move the pan off the heat source and stir in the defrosted hash browns, sour cream, cream of chicken soup, and shredded cheese.
  • Stir together the Crispy Topping ingredients and sprinkle over the top of the casserole.
  • Cook indirectly, not over the heat source, with the grill lid closed for 30-40 minutes or until the casserole is bubbly, browned around the edges, and cooked through in the center.



Tips for best results:
Make sure the hash browns are defrosted.
Shred cheese directly from a block for best results as pre-bagged ha added non-clumping ingredients.
Use full fat sour cream and full fat cheese as opposed to reduced fat or fat free options for best results.
This dish may be cooked/finished in the oven at 350 degrees for 30-40 minutes after step 2, which is sautéing the onion, garlic, salt, and pepper in butter.


Calories: 373kcal | Carbohydrates: 28g | Protein: 10g | Fat: 26g | Saturated Fat: 14g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 6g | Trans Fat: 1g | Cholesterol: 70mg | Sodium: 720mg | Potassium: 392mg | Fiber: 2g | Sugar: 3g | Vitamin A: 946IU | Vitamin C: 12mg | Calcium: 229mg | Iron: 3mg