Prep Time::15 mins
Cook Time:: 1 hr 10 mins
Total Time:: 1 hr 25 mins
Servings::12
Ingredients
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1 (30 ounce) package frozen hash brown potatoes
2 cups shredded Cheddar cheese
1 (16 ounce) container sour cream
1 (10.5 ounce) can condensed cream of mushroom soup
1 cup butter, divided
1 onion, chopped
3 cups crushed cornflakes
Directions
Preheat the oven to 425 degrees F (220 degrees C). Lightly grease a 9×13-inch baking dish.
Pour hash browns into the prepared dish; set aside. Combine cheese, sour cream, and condensed soup in a large bowl; set aside.
Melt 1/2 cup butter in a large skillet over medium heat; sauté onion in hot butter for 5 minutes. Add to cheese mixture and mix until combined. Spread over hash browns in the dish. Sprinkle with cornflakes.
Melt remaining 1/2 cup butter in the skillet over medium heat and pour over cornflakes.
Bake in the preheated oven for 1 hour.