Introduction to Mashed Potato Casserole
Mashed Potato Casserole is not just a side dish; it’s a warm and inviting centerpiece that can elevate any meal. Whether you’re hosting a dinner party or looking for a comforting weeknight dish, this casserole has all the elements to satisfy your cravings. Imagine velvety mashed potatoes blended with creamy sour cream, rich Turkey Bacon, and gooey cheese, all topped with a crunchy surprise of fried onions and kettle-cooked potato chips.
Why is Mashed Potato Casserole a Must-Try Dish?
First, it’s all about the flavors. The classic taste of mashed potatoes enriches any table, but when you transform it into a casserole, you create a delightful combination of textures and tastes. Did you know that comfort food can reduce stress? According to a study by the University of California, the mere act of enjoying hearty dishes can evoke positive memories and emotions.
Also, this Mashed Potato Casserole is incredibly versatile. You can easily swap out ingredients based on personal preferences or dietary needs, making it a perfect dish for everyone. Plus, it’s a wonderful way to use up leftover Turkey Bacon or veggies from your fridge. Dive into this delicious recipe and transform your mashed potatoes into something extraordinary!

Ingredients for Mashed Potato Casserole
Essential ingredients for the casserole
When preparing a Mashed Potato Casserole, start with these key ingredients that come together to create a rich and comforting dish:
- ½ cup (1 stick) salted butter, melted (plus extra for the baking dish)
- 1 (16-oz.) container sour cream
- 1 (1-oz.) envelope onion soup mix
- 4 lb. russet potatoes, peeled and cut into large chunks
- 1 cup heavy cream, warmed
- 1 lb. turkey bacon, cooked and crumbled
- 8 oz. Monterey Jack cheese, shredded (about 2 cups)
- ½ cup lightly crushed crispy fried onions
- 1 ½ tsp. kosher salt
- Black pepper, to taste
These essentials create a delightful base for your casserole that’s sure to please any crowd!
Optional ingredients for customization
Feel free to get creative with your Mashed Potato Casserole by customizing it with these optional ingredients:
- 1 cup lightly crushed crispy fried onions (for extra crunch!)
- 1 cup lightly crushed kettle-cooked potato chips with sea salt (a nice topping twist)
- ¼ cup grated Parmesan cheese (about 1 oz.)
- Chopped chives or green onions for garnishing
These optional additions offer a chance to enhance flavor and texture, making it uniquely yours! Plus, you can explore more ideas for enhancing your dishes with cooking inspirations from Food Network or Serious Eats!
Step-by-Step Preparation of Mashed Potato Casserole
A Mashed Potato Casserole is the ultimate comfort food that everyone loves! With its creamy texture and delicious toppings, it’s a crowd-pleaser for any gathering. Let’s dive into the easy steps to prepare this delightful dish.
Preheat and Prepare the Baking Dish
Begin your journey by preheating your oven to 375°F. While that warms up, grab a 13-by-9-inch baking dish and generously coat it with melted butter. This prevents sticking and adds extra flavor. The aroma of butter heating up in the oven is a great way to set the tone for your cooking adventure!
Create the Onion Dip
In a small bowl, combine 1 container of sour cream and an envelope of onion soup mix. Stir well and refrigerate while you work on the potatoes. This helps the flavors meld beautifully, setting a solid foundation for your casserole. Fun fact: onion dip is not only perfect for this dish but also a classic party favorite that pairs wonderfully with chips!
Boil and Mash the Potatoes
Now it’s potato time! Place 4 pounds of peeled and chunked russet potatoes into a large pot, adding cold water until the potatoes are covered by about an inch. Bring the water to a boil over high heat and cook until the potatoes are fork-tender, typically around 20 to 25 minutes. After draining, return the potatoes to the pot off the heat and mash them until smooth. This is your time to channel your inner chef—make those potatoes velvety!
Combine Ingredients for the Casserole
Once your potatoes are mashed, it’s time to elevate the flavor. Add the chilled onion dip, 1 stick of melted butter, 1 cup of warmed heavy cream, cooked turkey bacon, 8 oz. of shredded Monterey Jack cheese, half a cup of crispy fried onions, and 1.5 teaspoons of kosher salt. Mix everything until well combined, seasoning with black pepper to taste. Then, transfer this creamy mixture into your prepared baking dish, leveling it out evenly. Trust me, this step is where your Mashed Potato Casserole starts to shine!
Prepare the Topping
Now, let’s make this dish truly irresistible. In a small bowl, mix 1 cup of crispy fried onions, 1 cup of kettle-cooked potato chips, and ¼ cup of grated Parmesan cheese. This crunchy topping adds a delightful contrast to the creamy potatoes, providing texture and a burst of flavor. Sprinkle it evenly over the mashed potato mixture.
Bake to Perfection
Slide your masterpiece into the oven and bake for 15 to 20 minutes or until the top is golden brown and bubbling. The anticipation will be real! Once done, let it cool for a few minutes before serving, and garnish with chopped chives or green onions for that picture-perfect touch. Your guests are going to be over the moon for this Mashed Potato Casserole! Enjoy!

Variations on Mashed Potato Casserole
Cheesy Mashed Potato Casserole
Elevate your Mashed Potato Casserole by experimenting with cheeses! Instead of just Monterey Jack, mix in sharp cheddar for a zesty kick or creamy goat cheese for something unexpected. The blend of textures and flavors will surprise your guests and make every bite delectable. Whatever cheese you choose, remember that a combination can really amp up the richness and cheesy goodness!
Vegetarian Mashed Potato Casserole
For a delightful vegetarian twist, simply skip the turkey bacon and add sautéed veggies like spinach, mushrooms, or bell peppers to your Mashed Potato Casserole. Not only will this bolster the nutritious value, but it will also add a burst of color and flavor, making the dish visually appealing. Don’t forget to season well for maximum taste! For more vegetarian inspiration, check out thekitchn.com.
Cooking Tips and Notes for Mashed Potato Casserole
Choosing the Right Potatoes
For the best Mashed Potato Casserole, stick to russet potatoes. Their starchy texture makes them perfect for achieving that fluffy, creamy consistency. If you’re feeling adventurous, you can also mix in some Yukon Golds for a buttery flavor enhancement.
Tips for a Creamier Texture
To ensure your casserole is irresistibly creamy, consider these tips:
- Warm the heavy cream before adding it to the potatoes for smoother integration.
- Don’t over-mash; use a potato masher or ricer until just smooth to keep some texture.
- For an extra touch of decadence, mix in a splash of buttermilk or a dollop of cream cheese.
These small adjustments can elevate your Mashed Potato Casserole to a whole new level! Happy cooking!

Serving Suggestions for Mashed Potato Casserole
Ideal Pairings for the Casserole
When it comes to enjoying your Mashed Potato Casserole, think about serving it alongside flavorful proteins. It pairs wonderfully with:
- Grilled Chicken: A light Italian herb marinated chicken brings a fresh twist.
- Roasted Turkey: Savory slices of turkey bacon can add a smoky crunch.
- Vegetable Medley: Lightly sautéed seasonal veggies, such as green beans or Brussels sprouts, add color and freshness.
Presentation Ideas
Elevate your serving experience by focusing on both taste and aesthetics. Consider these simple yet effective presentation ideas:
- Serve the casserole in a rustic baking dish for a homey feel.
- Garnish with freshly chopped chives or green onions for a pop of color.
- For a buffet-style setup, provide small ramekins or individual servings for guests to enjoy.
With these suggestions, your Mashed Potato Casserole will not only satisfy the palate but also steal the show on your dining table!
Time Breakdown for Mashed Potato Casserole
Preparation Time
The preparation time for your delicious Mashed Potato Casserole is approximately 25 minutes. This includes gathering your ingredients and prepping the potatoes while allowing the flavors of your sour cream mixture to meld.
Cooking Time
Once prepped, the cooking time is around 35 minutes. You'll boil the potatoes until fork-tender, then bake the casserole until it’s bubbling and golden brown on top.
Total Time
In total, expect your Mashed Potato Casserole journey to take about 1 hour. This time includes both preparation and cooking, leading to a mouthwatering dish that your friends and family will love!
For more tips and ideas on perfecting your casserole, check out this guide on casserole cooking.
Nutritional Facts for Mashed Potato Casserole
Calories per serving
This delightful Mashed Potato Casserole contains approximately 300-400 calories per serving, depending on portion size and ingredients used. It's a hearty dish that can easily satisfy your hunger while still being a fantastic comfort food option.
Protein and fat content
Each serving offers about 10-15 grams of protein, thanks to ingredients like turkey bacon and monterey jack cheese. The fat content ranges from 20-25 grams, primarily coming from the butter, sour cream, and cream, making it indulgent yet satisfying.
Dietary considerations
When it comes to dietary needs, this casserole is rich in flavor but also high in calories and fat. If you're looking for lighter options, consider using reduced-fat sour cream or butter substitutes. It’s worth noting that the recipe is not suitable for those following a gluten-free or strict vegan diet, so adapting it may be necessary. For more tips on creating a healthier version, check out resources at Healthline.
FAQs about Mashed Potato Casserole
Can I make this casserole ahead of time?
Absolutely! You can prepare your Mashed Potato Casserole a day in advance. Simply assemble the casserole up to the baking step, cover it well, and store it in the refrigerator. When you’re ready to serve, pop it in the oven—there may be a slight increase in baking time if it’s chilled.
How do I store leftovers?
Leftover Mashed Potato Casserole can be stored in an airtight container in the fridge for about 3-4 days. If you want to keep it longer, consider freezing it for up to 2 months. Just be sure to wrap it tightly to avoid freezer burn!
What can I substitute for sour cream?
If you’re looking for a substitute for sour cream in your Mashed Potato Casserole, you can use Greek yogurt for a similar creaminess with added protein. Alternatively, cream cheese blended with a little milk can work well too—just aim for a smooth consistency. For more recipe tips, check out Food Network’s guide on dairy substitutes.
Conclusion on Mashed Potato Casserole
In conclusion, this Mashed Potato Casserole is the perfect crowd-pleaser, combining creamy potatoes with savory toppings for an unforgettable dish. Ideal for gatherings or cozy family dinners, it’s easy to make and sure to impress. Give this recipe a try, and savor the delicious flavors!

Mashed Potato Casserole
Equipment
- oven
- baking dish
- large pot
- small bowl
Ingredients
Casserole
- ½ cup salted butter (1 stick), melted, plus more for the baking dish
- 1 16-oz. sour cream
- 1 1-oz. onion soup mix envelope
- 4 lb. russet potatoes peeled and cut into large chunks
- 1 cup heavy cream warmed
- 1 lb. bacon cooked and crumbled
- 8 oz. monterey jack cheese shredded (about 2 c.)
- ½ cup crispy fried onions lightly crushed
- 1 ½ tsp. kosher salt
- black pepper to taste
Topping
- 1 cup crispy fried onions lightly crushed
- 1 cup kettle cooked potato chips lightly crushed with sea salt
- ¼ cup grated parmesan cheese (about 1 oz.)
- chopped chives or green onions for serving
Instructions
Casserole Preparation
- Preheat the oven to 375°F. Generously butter a 13-by-9-inch baking dish.
- In a small bowl, stir together the sour cream and onion soup mix. Refrigerate while you prepare the potatoes so the flavors have time to meld.
- Place the potatoes into a large pot and cover them with cold water by 1 inch. Bring the water to a boil over high heat and cook until the potatoes are fork tender, 20 to 25 minutes.
- Drain the potatoes well and return them to the same pot. Place the pot back on the same burner (heat turned off) and mash until there are no visible lumps.
- Add the prepared onion dip, melted butter, heavy cream, bacon, monterey jack cheese, fried onions, and salt, and stir to combine. Season to taste with pepper. Transfer the mashed potatoes to the prepared baking dish, spreading them evenly.
- In a small bowl, stir together the fried onions, potato chips, and parmesan. Sprinkle the mixture evenly over the top of the mashed potatoes. Bake until bubbling and browned on top, 15 to 20 minutes. Sprinkle with chives just before serving.





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