Preheat your pellet grill for 350 degrees F.
Add frozen hash browns, sour cream, cream of mushroom OR chicken soup, milk, seasonings, cheese, and melted butter in a large bowl. Stir well to combine.
Spoon potato mixture out into a 9"x13" disposable aluminum pan. Even out the mixture and set it aside.
In a separate bowl, combine brushed corn flakes and 1/4 cup of melted butter. Top potato mixture evenly with crumble.
Place the pan into your pellet grill. Close the lid and cook for 1 hour.
Once cooked through, the funeral potatoes will be creamy, tender, and golden brown. Remove pan from the grill and let it sit for 10-15 minutes before serving,
Store leftover funeral potatoes in an airtight container in your refrigerator for 3-4 days.
*Oven cooking. Follow the assembly directions above, except cook your funeral potatoes in the oven at 350 degrees for 1 hour.