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Cheesy Potato Casserole: A Creamy, Comforting Family Favorite

Few dishes have the power to make a meal feel instantly cozy quite like a bubbling Cheesy Potato Casserole. Tender potatoes are layered into a rich, creamy sauce, surrounded by plenty of melted cheese, and baked until the top is golden and irresistibly bubbly. It is simple enough for a weeknight dinner but comforting enough to deserve a place on a holiday or family gathering table.

This casserole is especially appealing because it uses familiar ingredients and requires very little complicated preparation. The potatoes become wonderfully tender in the oven while the cheese creates a savory, creamy layer throughout the dish.

Why You’ll Love This Cheesy Potato Casserole

This recipe is all about texture and comfort. The potatoes provide a soft, hearty base, while the creamy sauce keeps every bite moist and flavorful. A generous layer of cheese on top melts into a golden crust as it bakes.

It is also an easy recipe to adapt. You can use different cheeses, add herbs for extra flavor, or include ingredients such as cooked bacon, onions, or ham when you want to turn it into a more substantial side dish.

Ingredients

For approximately 6–8 servings, you will need:

2 pounds potatoes, peeled and thinly sliced
2 cups shredded cheddar cheese
1 cup shredded Monterey Jack or mozzarella cheese
1 cup sour cream
1 can (10.5 ounces) condensed cream of chicken soup
1/2 cup milk
1/2 small onion, finely diced
2 tablespoons melted butter
1 teaspoon garlic powder
1/2 teaspoon onion powder
1/2 teaspoon salt
1/4 teaspoon black pepper
2 tablespoons chopped fresh parsley or green onions, for garnish

Choosing the Right Potatoes

Russet potatoes work particularly well because they become tender and absorb the creamy sauce beautifully. Yukon Gold potatoes are another excellent option and provide a naturally buttery flavor with a slightly firmer texture.

The most important thing is to slice the potatoes fairly thin and, most importantly, as evenly as possible. Uniform slices cook at the same rate, preventing some pieces from becoming soft while others remain undercooked.

Step-by-Step Method

Step 1: Prepare the Oven and Baking Dish

Preheat your oven to 375°F (190°C).

Lightly grease a 9×13-inch baking dish with butter or nonstick cooking spray. Set it aside while you prepare the potatoes and sauce.

Step 2: Prepare the Potatoes

Peel the potatoes and rinse them under cool water. Pat them dry, then slice them into thin, even rounds.

Try to keep the slices around 1/8 to 1/4 inch thick. Avoid making them too thick because they may take considerably longer to become tender in the casserole.

Step 3: Make the Creamy Sauce

In a large mixing bowl, combine the sour cream, condensed cream of chicken soup, milk, melted butter, garlic powder, onion powder, salt, and black pepper.

Stir until the mixture is smooth and well combined.

Add the finely diced onion and mix again. The onion adds a gentle savory flavor that works particularly well with the potatoes and cheese.