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Easy cheesy cornflake potato casserole

Easy Cheesy Cornflake Potato Casserole

  • Author: Chrissi
  • Prep Time: 10
  • Cook Time: 45
  • Total Time: 55 minutes
  • Yield: 12 servings 1x


Easy cheesy cornflake potato casserole was a hit on our holiday table and is the perfect side dish for any meal, holiday dinner or potluck.



  • 5 lb. bag of Yukon Gold potatoes
  • 1 medium yellow onion finely chopped
  • 1 10 1/2 oz. can of Cream of Celery Soup
  • 1 10 1/2 oz. can of Cream of Chicken Soup
  • 2 cups shredded Cheddar Cheese
  • 1 Tablespoon onion powder
  • 1 teaspoon each salt and pepper
  • 2 cups corn flakes cereal
  • 2 Tablespoons softened butter
  • dry parsley for garnish* (optional)


  1. Preheat oven to 350 degrees F.
  2. Slice potatoes thin using a mandolin or knife and add into oven safe casserole dish
  3. Chop onions, add into casserole dish along with the soups, cheddar cheese, and seasoning.
  4. Give everything a good mix until potatoes are nicely coated

(If making ahead- cover and put in the fridge at this point)

    5. Top potato casserole with corn flake cereal and dab the top with softened butter.

    6. Bake in the oven for 45 minutes and garnish with dry herbs if desired.

Cheesy corn flake potatoes go great with turkey, prime rib, and brunch food like quiche.



*If making ahead of time, don’t add cornflakes until you’re ready to bake.

** This will store great in the fridge for up to two days or 3 months in the freezer if sealed properly. Defrost prior to baking in the oven, and add an additional 10-15 minutes to cook time.

  • Category: Side Dish
  • Cuisine: Holiday

Keywords: Cheesy potatoes with corn flakes, cornflakes, corn flake cereal potatoes, potato casserole

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