Traditional Cheesy Potato Casserole

🕒 Prep: 15 min
🔥 Cook: 45 min
🍽 Serves: 8
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Nothing says comfort food quite like a Traditional Cheesy Potato Casserole. This dish combines hearty, satisfying ingredients with a gooey, cheesy finish that’s perfect for any family gathering or cold winter evening. With just the right amount of crunch on top, it’s bound to become a favorite at your table!

Traditional Cheesy Potato Casserole

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Ingredients for Traditional Cheesy Potato Casserole

Ingredients for Traditional Cheesy Potato Casserole

Russet potatoes are the backbone of this casserole, providing a fluffy base that absorbs all the creamy goodness. Onions and garlic add depth and flavor, making each bite more savory. Sharp cheddar cheese gives the dish its signature cheesy flavor, while the cream of chicken soup and sour cream create a smooth, creamy texture. Unsalted butter enriches the dish, and cornflakes on top provide a satisfying crunch. Finally, a sprinkle of parsley adds a fresh pop of color and flavor.

Why This Traditional Cheesy Potato Casserole Works

During boiling, the diced potatoes cook just until they are soft but still hold their shape. They soak up some salted water, so they don’t taste flat later. Once they are drained and mixed with the warm cream of chicken soup, sour cream, melted butter, onion, and garlic, the potatoes get coated in a thick, creamy layer instead of drying out.

As the casserole bakes, the cheddar cheese melts and spreads through the creamy sauce, filling the gaps between the potato pieces. Everything bubbles together, and the starch from the potatoes gently thickens the sauce so it clings instead of running to the bottom of the dish. With steady heat, the onions soften in the creamy mix instead of burning, so they blend in.

On top, the crushed cornflakes soak up a bit of butter and steam, then dry out and crisp in the oven. By the time it comes out, the bottom is soft and creamy, the potatoes stay tender, and the top has a crunchy, golden crust that doesn’t sink into the casserole.

Traditional Cheesy Potato Casserole Tips & Tricks

  • For extra flavor, consider adding a pinch of paprika or smoked paprika to the potato mixture.
  • Use a food processor to crush the cornflakes quickly and evenly.
  • If you're in a hurry, you can use pre-shredded cheese, but shredding your own will melt better and taste fresher.

Mistakes To Avoid

Boiling the potatoes until they are falling apart makes the casserole mushy. The pieces break down when mixed with the soup, sour cream, and cheese, so instead of soft chunks, the whole pan turns into a thick, pasty mash that bakes up heavy and gluey.

Pulling the potatoes from the water while they are still firm in the center causes another problem. In the oven, the outside softens a bit, but the inside of each cube stays slightly hard and chalky, so the texture jumps between creamy sauce and undercooked bites.

Adding the cheese to the hot potatoes before mixing in the soup and sour cream can make the cheese clump. It melts in uneven pockets instead of spreading through the mixture, so some bites are stringy and greasy while others barely have any cheese.

Letting the cornflake topping sit on the wet mixture for a long time before baking makes it soggy. The flakes soak up moisture, lose their crunch in the oven, and the top turns soft instead of crisp and golden.

Ingredients

  1. 2 lbs of russet potatoes, peeled and diced
  2. 1 medium onion, finely chopped
  3. 2 cloves garlic, minced
  4. 2 cups sharp cheddar cheese, shredded
  5. 1 can (10.5 oz) condensed cream of chicken soup
  6. 1 cup sour cream
  7. 1/2 cup unsalted butter, melted
  8. 1 cup cornflakes, crushed
  9. Salt and pepper to taste
  10. 2 tbsp fresh parsley, chopped for garnish

Step-by-step Instructions

  1. 1. Preheat oven to 350°F (175°C).
  2. 2. In a large pot of boiling salted water, cook potatoes until tender, about 10-15 minutes. Drain and set aside.
  3. 3. In a large bowl, combine cream of chicken soup, sour cream, melted butter, chopped onion, and minced garlic. Mix well.
  4. 4. Add in shredded cheddar cheese and fold the cooked potatoes into the mixture. Season with salt and pepper.
  5. 5. Transfer the mixture into a greased 9x13 inch baking dish.
  6. 6. Spread crushed cornflakes evenly over the top of the potato mixture.
  7. 7. Bake in the preheated oven for 45 minutes or until bubbly and golden brown on top.
  8. 8. Remove from oven and let it cool slightly before serving. Garnish with chopped parsley.

Frequently Asked Questions

Can I make this casserole ahead of time?
Absolutely, you can assemble it a day in advance and keep it in the fridge. Just add a few extra minutes to the bake time if it's cold from the fridge.
Can I freeze leftovers?
Yes, this casserole freezes well. Allow it to cool completely, then portion it into airtight containers and freeze for up to three months.

Serving Ideas for Traditional Cheesy Potato Casserole

This cheesy potato casserole pairs beautifully with roasted meats like chicken or beef. For a lighter meal, serve it alongside a crisp green salad with a tangy vinaigrette to cut through the richness. It also makes a delightful addition to a brunch spread, perhaps next to some scrambled eggs and bacon.

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This recipe is for informational purposes only. Always follow proper food safety practices, cook foods to safe internal temperatures, and store leftovers appropriately. Results may vary.