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5.0 from 18 votes

Cheesy Potato Casserole

Cheesy Potato Casserole is a hot dish made with a creamy and cheesy potato mixture, topped and baked with corn flakes for that extra crunch.

Prep Time
15 mins
Cook Time
15 mins
Total Time
1 hr 5 mins
Servings: 12
Calories: 296 kcal
Course: Dinner
Cuisine: American

Ingredients

Potatoes
  • 32 ounces frozen CUBED hash browns, thawed (see notes)
  • ¼ cup (½ stick) butter
  • 2 cups sharp cheddar cheese, shredded
  • 1½ cups sour cream
Sauce
  • ¼ cup (1/2 stick) butter, melted
  • ½ medium onion, chopped
  • 2 teaspoons garlic, minced
  • ¼ cup flour
  • 1 teaspoon kosher salt
  • ½ teaspoon pepper
  • ½ teaspoon cayenne pepper
  • ½ teaspoon dried mustard
  • ½ cup chicken broth, room temperature
  • ½ cup milk, room temperature
Topping
  • ¼ cup (½ stick) butter
  • 3 cups corn flakes

Instructions

    Cup of Yum
  1. Preheat oven to 350°F. Spray a 9x13-inch baking dish with nonstick spray.
Potatoes
  1. In a large bowl, combine the potatoes, butter, shredded cheese, and sour cream. Mix well and set aside.
Sauce
  1. In a medium skillet over medium heat, melt butter.
  2. Add onion and cook until translucent (3-5 minutes). Add the garlic and cook for one more minute.
  3. Add flour, salt, pepper, cayenne pepper, and dry mustard. Cook another minute.
  4. Slowly add milk, whisking until smooth.
  5. Slowly add chicken broth, whisking until thickened.
  6. Pour the sauce into the potato mixture. Mix well.
Topping
  1. In a large, microwave-safe bowl, melt butter.
  2. Add corn flakes. Toss to coat.
Assembly
  1. Pour the sauce and potato mixture into the prepared baking dish.
  2. Top dish with the butter and corn flakes topping.
  3. Bake 40-50 minutes, or until golden brown and bubbly.
  4. Remove from oven. Let it rest a few minutes before serving.

Notes

  • I used Ore-Ida Frozen Diced Hash Browns, which are cubed. Some brands call them cubed, some say diced. 

Nutrition Information

Calories 296kcal (15%)

Nutrition Facts

Serving: 12Serving

Amount Per Serving

Calories 296

% Daily Value*

Calories 296kcal 15%

* Percent Daily Values are based on a 2,000 calorie diet.