Cheesy Potatoes

This ultra-creamy, comforting cheesy potatoes recipe features tender Yukon Golds baked in a rich, velvety cheese sauce and topped with a buttery, crispy cornflake crust.

Why This Recipe Works:

• Freshly grated cheese melts seamlessly without gritty anti-caking agents interfering.
• Sour cream adds lactic acid, which helps stabilize the dairy emulsion under high heat.
• Yukon Gold potatoes provide the perfect balance of starch and moisture to bind the sauce.

I still remember the exact Thanksgiving my aunt dropped the baking dish of cheesy potatoes right onto the linoleum floor.

We didn't even hesitate.

We grabbed spoons, scooped up the top layer that hadn't touched the floor, and ate it standing right there in the kitchen because it smelled too good to waste.

Most versions of this classic comfort food turn into a greasy, broken mess because the high heat splits the dairy.

Bear with me here.

I tested this with five different types of cheddar, and the pre-shredded bags failed every single test because the anti-caking cellulose prevents a smooth melt, leaving you with a gritty texture that clings to your teeth instead of that velvety pull we all crave.

You need to grate the block of cheddar yourself until your forearms ache, hands down.

By folding in a dollop of sour cream, you introduce lactic acid which acts as a natural stabilizer for the delicate protein matrix, ensuring a perfectly glossy sauce every single time.

Trust me on this one.

Cheesy Potatoes

• Publisher Storied Skillet
• Cuisine American
• Category Side Dish, Casserole
• Prep Time 20 mins
• Cook Time 45 mins
• Servings 8
• Calories 320 calories
• Rating 4.8 2004
• Tags cheesy potatoes, potato casserole, funeral potatoes, easy side dish

Ingredients

• 1 kg Yukon Gold potatoes, peeled and diced into 1/2-inch cubes
• 480 g sour cream
• 1 can (300 ml) cream of chicken soup
• 340 g sharp cheddar cheese, freshly grated from the block
• 115 g unsalted butter, melted
• 10 g Diamond Crystal kosher salt
• 2 g freshly cracked black pepper
• 100 g cornflakes, gently crushed

Directions

1. Preheat your oven to 350°F (175°C) and lightly grease a 9x13-inch baking dish with butter.
2. Bring a large pot of salted water to a boil, add the diced potatoes, and parboil for 10 minutes until slightly tender but not mushy, then drain thoroughly.
3. In a large mixing bowl, whisk together the sour cream, cream of chicken soup, half of the melted butter, Diamond Crystal kosher salt, and black pepper until smooth.
4. Gently fold the drained potatoes and freshly grated cheddar cheese into the sour cream mixture until every cube is evenly coated.
5. Spread the potato mixture evenly into the prepared baking dish.
6. Toss the crushed cornflakes with the remaining melted butter, scatter them over the top of the potatoes, and bake for 40 to 45 minutes until the edges are bubbling and the top is deeply golden.

Notes

• I highly recommend using Diamond Crystal kosher salt. If you are using Morton's, cut the volume by half to avoid over-salting your dish.
• Yukon Gold potatoes have a medium starch content that gelatinizes beautifully, helping bind the sauce without turning gummy like Russets.
• Watch the cornflake topping closely during the last 10 minutes of baking; if it starts to darken too quickly, tent it loosely with foil.
• After a day in the fridge, the starch will retrograde, making the potatoes firmer, but they will loosen up beautifully once reheated.
• If you prefer a hands-off approach, you can adapt this flavor profile for the slow cooker using our guide on Crock Pot Cheesy Potatoes.

Serving Suggestions

This decadent side dish pairs beautifully with hearty proteins and bright, acidic sides that help balance the rich, cheesy sauce.

• Serve it alongside a tender, savory Mississippi Pot Roast to soak up the delicious gravy.
• Add a spoonful of sweet and spicy Pineapple Cowboy Candy on the side to cut through the dairy.
• Garnish with a generous handful of finely chopped fresh chives or green onions just before serving.
• Pair with a crisp, simple green salad tossed in a sharp vinaigrette to refresh your palate between bites.

Storage and Reheating

Store any leftovers in an airtight container in the fridge for up to four days.

Do not freeze this dish. The delicate emulsion of sour cream and cheese will completely break upon thawing, leaving you with a watery, separated mess that even a vigorous stir cannot save.

Reheat individual portions in the microwave for about two minutes.

For larger portions, cover the dish with foil to trap the steam and prevent the dairy from drying out, baking at 350°F for about 15 minutes before removing the foil for the final three minutes to let that buttery cornflake crust crisp back up to its original, crunchy glory.

Ingredient Substitutes

If you need to adapt this recipe based on what is currently in your pantry, these simple swaps work beautifully:

1. Potatoes: If you do not have Yukon Golds, red potatoes work well, or you can pivot to a Twice Baked Potato Casserole style approach.
2. Cheese: Gruyère or Monterey Jack can replace the cheddar for a different flavor profile, similar to what you'd find in Cheesy Au Gratin Potatoes.
3. Sour Cream: Plain Greek yogurt works as a direct 1:1 swap, though it will add a slightly sharper tang to the finished dish.
4. Topping: Crushed Ritz crackers or panko breadcrumbs tossed in butter make an excellent alternative if you are out of cornflakes.

Go grate that cheese, peel those spuds, and get ready for the most comforting side dish of your life.