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Cheesy Mashed Potato Casserole

Cheesy Mashed Potato Casserole is an ultra rich and creamy casserole with 3 types of cheese. Makes a great Thanksgiving side and also goes great with chicken, beef, or pork.

Cheesy Mashed Potato Casserole in a casserole dish.

Three Types Of Cheese

There’s 3 types of cheese in this casserole for tons of cheesy flavor: cheddar, mozzarella, and parmesan.

Type of Potatoes

Yukon Gold potatoes are best for this recipe. They are great for mashed potatoes because they have an ultra creamy texture and buttery taste.

Creamy Texture

A full cup of butter and 1 1/2 cups of half-and-half make for an ultra creamy and rich casserole. With such a rich taste, it’s more of a special occasion casserole than an every day casserole.

Cheesy Mashed Potato Casserole in casserole dish.

Make Ahead

This casserole can be prepared up to 8 hours in advance and then baked just before serving.

Panko Crumb Topping

To give the casserole a little texture and more flavor, there’s a buttery Panko crumb topping with a little Parmesan cheese.

Cheesy Mashed Potato Recipe Tips Recipe Tips

All you need to mash the potatoes is a hand-held potato masher like this one.

For a little extra flavor, you can sprinkle crumbled bacon on top.

Spoon scooping casserole.

More Great Holiday Sides

Cheesy Mashed Potato Casserole

Cheesy Mashed Potato Casserole is an ultra rich and creamy casserole with 3 types of cheese. Makes a great Thanksgiving side and also goes great with chicken, beef, or pork.
PREP: 25 mins
COOK: 30 mins
SERVINGS: 8

Equipment

Ingredients

  • 4 pounds Yukon Gold Potatoes, peeled and halved or quartered
  • 1 cup salted butter, cut into pieces
  • 1 1/2 cups half-and-half
  • 1 teaspoon salt
  • 1/2 teaspoon pepper
  • 2 green onions, sliced
  • 8 ounces sharp cheddar cheese, shredded
  • 1 cup shredded mozzarella cheese

Topping

  • 3/4 cup panko crumbs
  • 2 tablespoons shredded or grated parmesan cheese
  • 2 tablespoons melted butter

Instructions

  • Place potatoes and a tablespoon of salt in a pot. Add water to cover by 1 inch.
    Bring to a boil and then reduce heat to a simmer. Cook until easily pierced with a fork, about 20 minutes. Drain and return to pot.
  • Preheat oven to 375 degrees and grease a 9×13-inch baking dish.
  • Add butter and mash until smooth.
    Stir in half-and-half, salt, pepper, and green onions.
  • Stir in cheddar cheese and mozzarella until melted.
    Transfer to prepared baking dish.
  • In a small bowl, stir together Panko topping ingredients. Sprinkle on top of casserole.
    Bake for 30 minutes.

Nutrition

Calories: 649kcal
Course: Casserole, Side Dish
Cuisine: American
Keyword: Thanksgiving

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