Imagine a warm, creamy dish that brings comfort with every bite—this mashed potato casserole is just that. With its fluffy texture and savory toppings, it’s a perfect side for family dinners, holidays, or any gathering. This dish is not only delicious but also versatile, allowing you to customize it to your taste. Get ready to enjoy a hearty meal that everyone will love!
Ingredients
– 4 cups mashed potatoes (prepared)
– 1 cup sour cream
– 1 cup shredded cheddar cheese
– 1/2 cup milk
– 1/4 cup butter, melted
– 1/2 teaspoon garlic powder
– 1/2 teaspoon onion powder
– Salt and pepper to taste
– Chopped chives for garnish
Servings and Cooking Time
This recipe yields 6 servings. Preparation time is approximately 15 minutes, and cooking time is about 30 minutes.
Nutritional Value
Per serving (1/6 of the casserole):
– Calories: 320
– Protein: 6g
– Fat: 18g
– Carbohydrates: 36g
– Fiber: 2g
This is based on a single serving for one person.
Step-by-Step Cooking Process
1. Preheat your oven to 350°F (175°C).
2. In a large mixing bowl, combine the prepared mashed potatoes, sour cream, and melted butter.
3. Add milk, garlic powder, onion powder, salt, and pepper. Mix until smooth.
4. Fold in half of the shredded cheddar cheese.
5. Transfer the mixture to a greased casserole dish.
6. Spread evenly and smooth the top with a spatula.
7. Sprinkle the remaining cheddar cheese over the top.
8. Bake in the preheated oven for 25-30 minutes, or until golden and bubbly.
9. Remove from the oven and let cool for 5 minutes.
10. Garnish with chopped chives before serving.
Alternative Ingredients
You can substitute sour cream with Greek yogurt for a tangy flavor. For a lighter version, use low-fat milk and cheese. Additionally, feel free to add cooked bacon bits or sautéed vegetables for extra flavor and nutrition.
Serving and Pairings
Mashed potato casserole pairs wonderfully with roasted meats, grilled vegetables, or a fresh garden salad. It’s also perfect alongside turkey, ham, or beef dishes during holidays or family gatherings.
Storage and Reheating
Store leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, simply microwave or bake in the oven until heated through. This casserole can be frozen for up to 2 months; just thaw it overnight in the fridge before reheating.
Cooking Mistakes
– Don’t skip the seasoning; it enhances the flavor.
– Avoid over-mixing the potatoes to keep them fluffy.
– Use freshly made mashed potatoes for the best texture.
– Ensure the casserole dish is well greased to prevent sticking.
– Monitor cooking time to prevent burning the cheese topping.
Helpful Tips
– Use room temperature ingredients for better mixing.
– Experiment with herbs like rosemary or thyme for added flavor.
– Top with breadcrumbs for an extra crunchy texture.
– Allow the casserole to rest before serving for easier slicing.
FAQs
Can I make mashed potato casserole ahead of time?
Yes, you can prepare it a day in advance and refrigerate it. Just bake it when you’re ready to serve.
What can I add to make it more flavorful?
Adding cooked bacon, sautéed onions, or different cheese varieties can enhance the flavor of your casserole.
Can I use instant mashed potatoes?
While fresh mashed potatoes are recommended for best results, instant mashed potatoes can be used in a pinch.
Is it possible to make this dish vegan?
Yes, substitute dairy ingredients with plant-based alternatives like almond milk and vegan cheese.
How can I make it gluten-free?
All the ingredients can be gluten-free; just ensure any added toppings or seasonings are gluten-free as well.
Conclusion
Mashed potato casserole is a delightful dish that combines creamy textures with hearty flavors. Perfect for any occasion, it’s easy to prepare and can be tailored to suit your taste. Enjoy the comfort of this classic recipe with family and friends, creating memories with every bite.

Mashed Potato Casserole
Ingredients
- 4 cups mashed potatoes prepared
- 1 cup sour cream
- 1 cup shredded cheddar cheese
- 1/2 cup milk
- 1/4 cup butter melted
- 1/2 teaspoon garlic powder
- 1/2 teaspoon onion powder
- Salt and pepper to taste
- Chopped chives for garnish
Instructions
- Preheat your oven to 350°F (175°C).
- In a large mixing bowl, combine the prepared mashed potatoes, sour cream, and melted butter.
- Add milk, garlic powder, onion powder, salt, and pepper. Mix until smooth.
- Fold in half of the shredded cheddar cheese.
- Transfer the mixture to a greased casserole dish.
- Sprinkle the remaining cheddar cheese over the top.
- Bake in the preheated oven for 25-30 minutes, or until golden and bubbly.
- Remove from the oven and let cool for 5 minutes.
- Garnish with chopped chives before serving.