Mashed potato casserole is a rich, creamy, and cheesy dish that takes classic mashed potatoes to the next level. It combines smooth, buttery potatoes with sour cream, melted cheese, and crispy bacon for an irresistible flavor.
This casserole is perfect for family dinners, holiday feasts, or potlucks because it’s easy to make and serves a crowd. The golden, bubbly cheese topping adds a delicious crunch, making every bite comforting and satisfying. Whether you’re using fresh or leftover mashed potatoes, this dish is a great way to add extra flavor and texture to a simple yet classic side.
Why This Recipe Works
This recipe works because it transforms basic mashed potatoes into a more flavorful and filling dish. The combination of butter, sour cream, and cheese creates a creamy and rich texture, while the crispy bacon adds a savory crunch. Baking the casserole allows the flavors to blend perfectly, and the melted cheese on top makes it extra delicious. It's an easy way to elevate a traditional side dish into something special.
Another reason this recipe is so good is its flexibility. You can swap ingredients based on what you have—using Greek yogurt instead of sour cream, adding different cheeses, or mixing in herbs for extra flavor. It’s also a great make-ahead dish that reheats well, making meal prep easier. Whether for a weeknight dinner or a festive holiday meal, mashed potato casserole is always a hit!
Main Ingredients
Potatoes – The base of the dish, making it creamy and hearty.
Substitutes: Sweet potatoes for a different flavor.
Butter – Adds richness and enhances the flavor.
Substitutes: Margarine or olive oil for a dairy-free option.
Sour Cream – Makes the potatoes extra creamy and tangy.
Substitutes: Greek yogurt for a healthier alternative.
Cheddar Cheese – Melts on top for a gooey, cheesy finish.
Substitutes: Mozzarella or Parmesan for a different taste.
Bacon Bits – Adds a crispy, smoky crunch.
Substitutes: Diced ham or sautéed mushrooms for a meat-free option.
Table of Contents
Tips
- Use starchy potatoes like Russet or Yukon Gold for the creamiest texture.
- Mash the potatoes while warm to avoid lumps.
- Mix in roasted garlic or chives for extra flavor.
- Cover with foil while baking to keep the casserole moist.
- Let the casserole rest for a few minutes before serving for the best texture.
How to Serve
Mashed potato casserole is best served warm, with its creamy, cheesy layers making every bite rich and comforting. This dish is perfect as a side for holiday dinners, family meals, or potlucks. It pairs well with a variety of meats and vegetables, making it a versatile dish that complements any meal.
- Serve with roasted turkey or grilled steak for a classic meal.
- Pair with steamed green beans or sautéed mushrooms for a balanced plate.
- Enjoy as a standalone dish with a fresh salad on the side.
Similar Recipes
Mashed Potato Casserole
Ingredients
- 4 large potatoes peeled and chopped
- 4 tablespoon butter
- ½ cup sour cream
- 1 cup shredded cheddar cheese
- ½ cup cooked bacon bits
- ½ cup milk
- ½ teaspoon salt
- ½ teaspoon black pepper
- ½ teaspoon garlic powder optional
- ¼ cup chopped green onions optional
Instructions
- Preheat the oven to 375°F (190°C) and grease a baking dish.
- Boil the potatoes in a pot of salted water until fork-tender, about 15 minutes.
- Drain the potatoes and mash them with butter, sour cream, milk, salt, pepper, and garlic powder.
- Stir in half of the shredded cheddar cheese and bacon bits.
- Transfer the mixture to the prepared baking dish and spread evenly.
- Sprinkle the remaining cheese on top and cover with foil.
- Bake for 20 minutes, then remove foil and bake for another 10 minutes until golden and bubbly.
- Garnish with green onions before serving (optional).
Nutrition
Notes
• Mash the potatoes while warm to avoid lumps.
• Mix in roasted garlic or chives for extra flavor.
• Cover with foil while baking to keep the casserole moist.
• Let the casserole rest for a few minutes before serving for the best texture.
Perfect for party!