Mashed Potato Casserole
If you’re looking for a comforting side dish that elevates the classic mashed potatoes, then look no further than this mashed potato casserole. Creamy, cheesy, and topped with a crispy golden layer, this dish is sure to impress at your next family gathering or holiday meal. Let’s dive into the deliciousness that is mashed potato casserole!
Ingredients
- 2 pounds of potatoes, peeled and cubed
- 1 cup sour cream
- ½ cup milk
- 1 cup shredded cheddar cheese
- ¼ cup butter
- Salt and pepper to taste
- 1 cup fried onions for topping
Servings and Cooking Time
This recipe serves 6-8 people. Preparation time is approximately 20 minutes, and cooking time is about 40 minutes.
Nutritional Value
Each serving (1/2 cup) contains approximately 250 calories, 10g fat, 35g carbohydrates, and 5g protein. This information is based on a single serving.
Step-by-Step Cooking Process
- Preheat your oven to 350°F (175°C).
- Boil the cubed potatoes in salted water until tender, about 15-20 minutes.
- Drain the potatoes and return them to the pot.
- Add butter, sour cream, milk, salt, and pepper to the potatoes.
- Mash the potatoes until smooth and creamy.
- Stir in half of the cheddar cheese until melted.
- Transfer the mixture to a greased baking dish.
- Top with the remaining cheddar cheese and fried onions.
- Bake for 25-30 minutes, or until the top is golden brown.
- Let cool for a few minutes before serving.
Alternative Ingredients
You can substitute sour cream with Greek yogurt for a tangy flavor. For a lighter version, use low-fat milk instead of whole milk. Feel free to mix in other cheeses like mozzarella or parmesan for a different taste.
Serving and Pairings
This mashed potato casserole pairs wonderfully with roasted meats, grilled vegetables, or a fresh salad. It’s the perfect complement to any holiday feast or family dinner.
Storage and Reheating
Store leftover casserole in an airtight container in the refrigerator for up to 3 days. Reheat in the oven at 350°F until heated through. This dish can also be frozen for up to 2 months; just thaw overnight in the refrigerator before reheating.
Cooking Mistakes
- Don’t overboil the potatoes; they can become watery.
- Ensure the butter is melted before mixing for smooth consistency.
- Season the potatoes while mashing for better flavor.
- Avoid using cold milk; it should be at room temperature.
- Don’t skip the cooling time before serving to maintain structure.
Helpful Tips
- Use a potato ricer for extra fluffy mashed potatoes.
- Experiment with different herbs for added flavor.
- For a spicy kick, add some chopped jalapeños.
- Mix in leftover meats for a heartier dish.
- Top with fresh herbs before serving for a pop of color.
FAQs
Can I make mashed potato casserole ahead of time?
Yes, you can prepare the casserole a day in advance and refrigerate it. Just bake it before serving.
What type of potatoes are best for this dish?
Russet or Yukon Gold potatoes are ideal due to their creamy texture when mashed.
Can I use vegan alternatives?
Absolutely! Use plant-based milk and dairy-free cheese for a vegan version.
How long can I store leftovers?
Leftovers can be stored in the refrigerator for up to 3 days or frozen for up to 2 months.
Can I add other ingredients to the casserole?
Yes, you can add ingredients like bacon, sautéed mushrooms, or spinach for added flavor and texture.
Conclusion
Mashed potato casserole is a versatile and delicious dish that brings comfort to any meal. Its creamy texture and cheesy topping make it a crowd favorite. Whether for holidays or casual dinners, this recipe is sure to satisfy and impress your guests. Enjoy your cooking adventure!

Mashed Potato Casserole
Ingredients
- 2 pounds of potatoes peeled and cubed
- 1 cup sour cream
- ½ cup milk
- 1 cup shredded cheddar cheese
- ¼ cup butter
- Salt and pepper to taste
- 1 cup fried onions for topping
Instructions
- Preheat your oven to 350°F (175°C).
- Boil the cubed potatoes in salted water until tender, about 15-20 minutes.
- Drain the potatoes and return them to the pot.
- Add butter, sour cream, milk, salt, and pepper to the potatoes.
- Mash the potatoes until smooth and creamy.
- Stir in half of the cheddar cheese until melted.
- Transfer the mixture to a greased baking dish.
- Top with the remaining cheddar cheese and fried onions.
- Bake for 25-30 minutes, or until the top is golden brown.
- Let cool for a few minutes before serving.