If you are craving a comforting, crowd-pleasing dish that combines creamy, cheesy, and savory flavors, then you absolutely must try this Loaded Mashed Potato Casserole with Cheese, Bacon, and Green Onions Recipe. It transforms simple mashed potatoes into a decadent side that’s perfect for holiday dinners, weeknight meals, or any time you want a warm hug on a plate. The smooth texture of the potatoes, combined with the crispy bacon, melty cheddar, and fresh green onions, creates a symphony of tastes and textures that everyone will rave about.

Ingredients You’ll Need

A red oval dish filled with creamy mashed potatoes topped with green herb sprinkles, a silver spoon resting inside. Surrounding the main dish, there are six small white bowls arranged on a colorful striped cloth over a wooden surface. The bowls contain shredded yellow cheese, light brown crumbs, chopped green onions, crumbled white cheese, reddish bacon pieces, and white sour cream with a silver spoon. Photo taken with an iphone --ar 4:5 --v 7

The beauty of this Loaded Mashed Potato Casserole with Cheese, Bacon, and Green Onions Recipe lies in its simplicity. Every ingredient plays a crucial role: from the creamy base to the toppings that add bursts of flavor and color. Here’s what you’ll gather for this crowd-pleaser.

  • 4 cups mashed potatoes: Use your favorite mashed potato recipe or leftovers for an easy shortcut.
  • 1 cup shredded cheddar: Sharp cheddar offers a rich, tangy flavor that melts beautifully on top.
  • ½ cup sour cream: Adds creaminess and a slight tang to keep the casserole moist and flavorful.
  • 4 bacon strips, cooked and crumbled: Crispy bacon provides a smoky crunch that elevates every bite.
  • 2 green onions, chopped: Adds a fresh, mild onion flavor and a pop of bright green color.
  • Salt & pepper to taste: Essential seasonings that bring all the ingredients together with balance.

How to Make Loaded Mashed Potato Casserole with Cheese, Bacon, and Green Onions Recipe

Step 1: Preheat and Prepare Your Oven

Start by setting your oven to 375 degrees Fahrenheit (190 degrees Celsius). This ensures it’s ready to bake your casserole perfectly, allowing the cheese to melt and the bacon to slightly crisp without overcooking the potatoes.

Step 2: Mix the Creamy Base

In a large bowl, combine the mashed potatoes, sour cream, half of the shredded cheddar cheese, and a good pinch of salt and pepper. Stir everything until smooth and well incorporated. This mixture is the creamy heart of your casserole, so make sure it’s seasoned well and blended thoroughly.

Step 3: Assemble in Your Baking Dish

Spoon the potato mixture evenly into a greased baking dish, spreading it out gently. Sprinkle the remaining cheddar cheese on top, followed by the crumbled bacon. This layering adds visual appeal and ensures every spoonful includes that perfect cheesy, smoky bite.

Step 4: Bake to Perfection

Place the dish in the preheated oven and bake for 20 minutes. The cheese will melt nicely and begin to brown slightly, creating that irresistible golden crust. Meanwhile, the casserole heats through so every bite is warm and indulgent.

Step 5: Add the Fresh Finish

Once out of the oven, top the casserole with the chopped green onions. Their fresh, slightly oniony punch complements the rich cheese and bacon, while adding a bright splash of color that makes the dish even more inviting.

How to Serve Loaded Mashed Potato Casserole with Cheese, Bacon, and Green Onions Recipe

A white oval dish filled with a creamy, pale yellow baked topping that has a golden brown crust in some spots. On top, there is a layer of chopped nuts with some small pieces of bright green herbs scattered evenly. A white spoon is partially inside the dish scooping out some of the creamy food. The dish is placed on a white marbled surface. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

Besides the green onions, you can elevate this casserole by adding a dollop of sour cream or a sprinkle of extra crispy bacon bits right before serving. A light dusting of smoked paprika also adds a nice touch of color and a hint of spice.

Side Dishes

This cheesy potato casserole pairs wonderfully with roasted vegetables, grilled chicken, or a fresh green salad. It’s versatile enough to accompany any main course that needs a rich and satisfying sidekick.

Creative Ways to Present

If you want to impress your guests, serve the casserole in individual ramekins or small cast-iron skillets. This personal touch makes the dish feel extra special and ensures everyone gets a crispy top and creamy center in each serving.

Make Ahead and Storage

Storing Leftovers

Store any leftover casserole in an airtight container in the refrigerator for up to 3 days. The flavors actually deepen overnight, making it an excellent next-day treat.

Freezing

You can freeze this casserole before baking. Cover tightly with foil and freeze for up to 2 months. When ready, bake it straight from the freezer, adding extra cooking time to ensure it heats through completely.

Reheating

Reheat leftovers in the oven at 350 degrees Fahrenheit until warmed through to preserve the texture. Microwaving works for a quick fix but may make the cheese less crispy.

FAQs

Can I use instant mashed potatoes for this recipe?

Absolutely! Instant mashed potatoes make this recipe a breeze, especially when you’re short on time. Just be sure to season them well with salt and pepper before mixing with the other ingredients.

Is it possible to make this dish vegetarian?

Yes! Simply omit the bacon or replace it with vegetarian bacon bits or sautéed mushrooms for a similar smoky flavor without meat.

Can I add other cheeses?

Definitely. While cheddar gives a classic taste, feel free to experiment with mozzarella, Monterey Jack, or even pepper jack for a spicy kick.

How spicy is this casserole?

This Loaded Mashed Potato Casserole with Cheese, Bacon, and Green Onions Recipe isn’t spicy on its own, but you can add a pinch of chili powder or cayenne pepper for some heat if you like things spicier.

What should I do if the casserole seems dry?

If your casserole looks dry after baking, simply stir in a little more sour cream or a splash of milk and heat gently to restore creaminess.

Final Thoughts

Trust me, once you try this Loaded Mashed Potato Casserole with Cheese, Bacon, and Green Onions Recipe, it will quickly become one of your favorite go-to side dishes. It’s easy, versatile, and bursts with comforting flavors that everyone loves. Whether for a special occasion or a simple family dinner, this casserole always delivers a big smile at the table. So grab your ingredients, dive in, and prepare to enjoy one seriously delicious bite after another!

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Loaded Mashed Potato Casserole with Cheese, Bacon, and Green Onions Recipe

Loaded Mashed Potato Casserole with Cheese, Bacon, and Green Onions Recipe


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3.9 from 32 reviews

  • Author: Chef
  • Total Time: 30 minutes
  • Yield: 8 servings

Description

Creamy and comforting mashed potatoes baked to perfection with melted cheddar cheese, crispy bacon, and fresh green onions. This loaded mashed potato casserole is an easy and irresistible side dish ideal for family dinners and holiday gatherings.


Ingredients

Mashed Potato Mixture

  • 4 cups mashed potatoes
  • ½ cup sour cream
  • Salt & pepper to taste

Toppings

  • 1 cup shredded cheddar cheese, divided
  • 4 bacon strips, cooked and crumbled
  • 2 green onions, chopped


Instructions

  1. Preheat Oven: Preheat your oven to 375°F (190°C) to prepare for baking the casserole.
  2. Mix Ingredients: In a large bowl, combine the mashed potatoes, sour cream, half of the shredded cheddar cheese, and season with salt and pepper. Stir thoroughly to create a smooth mixture.
  3. Assemble Casserole: Spread the potato mixture evenly into a baking dish. Sprinkle the remaining cheddar cheese over the top, followed by the crumbled bacon.
  4. Bake: Place the dish in the preheated oven and bake for 20 minutes or until the cheese is melted and bubbly.
  5. Garnish and Serve: Remove from the oven and sprinkle chopped green onions over the top before serving for a fresh pop of flavor and color.

Notes

  • This casserole is a great way to use leftover mashed potatoes from previous meals or holidays.
  • For an extra boost of flavor, add ranch seasoning or your favorite spice blend to the potato mixture before baking.
  • Prep Time: 10 minutes
  • Cook Time: 20 minutes
  • Category: Side Dish
  • Method: Baking
  • Cuisine: American

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