Creamy Mashed Potato Casserole: A Comforting Delight

Name: Decadent Mashed Potato Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: American
Ingredients: 2 lbs Yukon Gold potatoes; ½ cup unsalted butter; 1 cup heavy cream; 1 cup sharp cheddar cheese, shredded; ½ cup sour cream; 1 tsp garlic powder; 1 tsp salt; ½ tsp black pepper; ¼ cup chives or green onions, chopped (for garnish)

Published: April 25, 2025

by tastyfoodonly

Why You'll Love This Recipe

The Mashed Potato Casserole is incredibly easy to prepare, making it ideal for busy weeknights or festive gatherings
Its rich flavor profile combines creamy potatoes with savory cheese and herbs, resulting in an irresistible taste sensation
Visually appealing with its golden-brown crust, this dish will surely impress your guests
Versatile enough to accompany any main dish, it’s perfect for holidays or casual dinners alike

The first time I served this casserole at a family dinner, I witnessed my brother-in-law practically licking his plate clean—it was pure magic.

Essential Ingredients

Here’s what you’ll need to make this delicious dish:

Potatoes: I recommend using Yukon Gold or Russet potatoes for the best texture and flavor.
Butter: Use unsalted butter for more control over the seasoning.
Heavy Cream: This makes the mash extra rich and creamy; half-and-half can be used for a lighter option.
Cheddar Cheese: Sharp cheddar gives a fantastic flavor boost; feel free to mix in other types too!
Sour Cream: Adds tanginess that balances the richness of the dish.
Garlic Powder: For that aromatic kick that elevates every bite.
Salt and Pepper: Essential seasonings to enhance all the flavors in your casserole.
Chives or Green Onions: Chopped fresh chives add color and freshness when sprinkled on top before serving.

The full ingredients list, including measurements, is provided in the recipe card directly below.

Let’s Make It Together

Prepare Your Potatoes

Start by peeling and chopping the potatoes into even pieces. Aim for about 1-inch chunks to ensure they cook uniformly. Place them in a large pot filled with cold water.

Boil Those Bad Boys

Bring the pot to a boil over medium-high heat; once boiling, reduce to simmer and cook until fork-tender—around 15-20 minutes should do it.

Drain and Mash!

Once they’re tender, drain your potatoes thoroughly in a colander to remove excess moisture. Return them to the pot and begin mashing until they’re smooth and creamy.

Add Creamy Goodness

Mix in butter, heavy cream, sour cream, garlic powder, salt, and pepper while mashing until everything is well combined. The aroma will make you weak at the knees!

Layer Your Casserole Dish

Transfer half of the mashed potatoes into a greased baking dish. Spread evenly before sprinkling half of your cheddar cheese on top.

Add More Layers!

Spread the remaining mashed potatoes over the cheese layer. Top with more cheese (because why not?) and sprinkle some chives or green onions on top for added flair.

Bake to Perfection!

Preheat your oven to 375°F (190°C) and bake uncovered for about 25-30 minutes or until bubbly and golden brown on top.

Believe me when I say that letting this cool slightly before serving will only enhance its flavors—and give you a few moments to appreciate how amazing your kitchen smells!

Now that you’ve mastered this Mashed Potato Casserole recipe, get ready for compliments galore! Whether it’s Thanksgiving dinner or just another Tuesday night craving comfort food, this dish is sure to be a hit every time! perfect side for chicken. For more inspiration, check out this Hamburger Potato Casserole recipe.

You Must Know

This comforting mashed potato casserole is the perfect blend of creaminess and crispiness
It’s a crowd-pleaser for any family gathering, and you can make it ahead of time for a stress-free meal
The heavenly aroma will have everyone flocking to the dinner table

Perfecting the Cooking Process

Start by boiling your potatoes until fork-tender, then mash them before mixing in other ingredients. This ensures creamy texture and maximum flavor absorption.

Add Your Touch

Feel free to swap out half the potatoes with cauliflower for a lighter version or add cheese for extra indulgence. Customize it to fit your taste buds!

Storing & Reheating

Store leftovers in an airtight container in the fridge for up to four days. Reheat in the oven at 350°F until warmed through and slightly crispy on top.

Chef's Helpful Tips

To achieve perfect mashed potato casserole, remember to use starchy potatoes like Russets for fluffiness
Don’t over-mix your potatoes; this keeps them creamy instead of gluey
Also, consider adding garlic or herbs for added flavor that truly elevates the dish!

One Thanksgiving, I served this casserole alongside turkey, and it was so popular that my cousin nearly finished it solo! It always brings back delicious memories of family feasts.

FAQ

Can I prepare mashed potato casserole ahead of time?

For more inspiration, check out this Easy Tater Tot Casserole recipe.

Yes, you can assemble it a day ahead and refrigerate until baking.

What type of potatoes are best for mashed potato casserole?

Russet or Yukon Gold potatoes work best due to their starch content.

How can I make my casserole extra creamy?

Add cream cheese or sour cream for a rich, velvety texture that delights!

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