Loaded Mashed Potato Casserole is the perfect side dish for any occasion. If you’re looking for a change from classic mashed potatoes, try this irresistibly creamy, loaded mashed potatoes recipe with cheese and bacon.

Loaded Mashed Potato Casserole topped with cheese, bacon and chives

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Mashed potatoes are always a great side to serve for Meatloaf or any meal, because are effortless to make and so filling. However, at big parties like a Thanksgiving dinner or Christmas party, you tend to want to dress up plain mashed potatoes. That’s where this potato casserole comes to life! Creamy mashed potatoes topped with cheese, crispy bacon and chives.

This dish is everything you could ask for in a side dish. The best part – the dish may be prepared in advance making it the perfect side for Thanksgiving or Christmas dinner. Winner!

Loaded Mashed Potatoes in a Baking dish.

How to Make Loaded Mashed Potato Casserole: 

  • Cook, drain and mash the potatoes
  • Mash in the hot milk/butter/sour cream mixture until well incorporated
  • Spread mashed potatoes into a baking dish and top with cooked bacon and cheese
  • Cover dish with foil and bake until cheese is melty.

step-by-step images how to make mashed potatoes.

TIP: If you are not baking the casserole immediately, allow the potatoes to cool before adding the cheese.

Three photos that show the process of making a Loaded Mashed Potato Casserole

Toppings for Loaded Mashed Potatoes-

Top potato casserole with fresh chives, green onions, parsley or cilantro for added flavor and appeal.

Though the loaded cheese and bacon is enough for the baked mashed potatoes. Serving them with a side of sour cream really is wonderful. It feels like you’re enjoying a loaded baked potato.

Baked mashed potatoes topped with bacon and chives

What cheese should be used for Loaded Potato Casserole?

You really can’t go wrong with any cheese for this potato casserole. Use your favorite cheese:

  • Mexican Four Cheese
  • Colby Jack
  • or a combination of Mild Cheddar and Mozzarella 

TIP: Cheese ALWAYS performs better when freshly shredded as it contains fewer preservatives. Purchase a block of cheese and grate it yourself.

Loaded Baked Potatoes in a Casserole dish.

Other SIDE dishes to try for the Holidays:

Loaded Mashed Potato Casserole is the perfect side dish. These irresistibly creamy baked mashed potatoes are loaded with cheese and topped with crispy bacon.
5 from 93 votes

Loaded Mashed Potato Casserole

Prep Time: 10 minutes
Cook Time: 40 minutes
Total Time: 50 minutes
Loaded Mashed Potato Casserole is the perfect side dish. These irresistibly creamy baked mashed potatoes are loaded with cheese and topped with crispy bacon.

Ingredients 

Servings: 6 servings, as a side
  • 2 ½ lbs russet potatoes, peeled and cut into 1/2" cubes
  • 1 tsp salt , or to taste
  • 3/4 cup milk, (whole or 2% milk)
  • 8 Tbsp unsalted butter
  • ¼ cup sour cream
  • 8 oz Colby Jack cheese, freshly shredded
  • 8 oz bacon, chopped
  • 2 Tbsp green onion or chives , to garnish

Instructions

  • Preheat oven to 375˚F. Place potatoes in a pot, cover with enough water to submerge potatoes. Bring to a boil over medium/high heat then reduce heat to medium and season potatoes will 1 tsp salt. Cook until potatoes are easily pierced with a knife then drain well.
  • Meanwhile, in a small saucepan, add the butter and milk and cook until butter is melted. Turn the heat off, keep saucepan on the stovetop to keep the milk hot. Add the sour cream and whisk until combined.
  • Mash or beat potatoes with a mixer until creamy. Add the milk mixture and continue mixing until well incorporated. Transfer potatoes to a baking dish.
  • On a medium skillet, saute chopped bacon until golden brown. Sprinkle bacon over potatoes and top with shredded cheese.
  • Cover baking dish with foil and bake at 375˚F for 25 minutes. Remove foil and cook an additional 10 minutes, or until cheese melts and potatoes are hot. 

Nutrition Per Serving

625kcal Calories37g Carbs19g Protein45g Fat23g Saturated Fat108mg Cholesterol899mg Sodium965mg Potassium2g Fiber3g Sugar975IU Vitamin A11.1mg Vitamin C336mg Calcium2.1mg Iron
Nutrition Facts
Loaded Mashed Potato Casserole
Amount per Serving
Calories
625
% Daily Value*
Fat
 
45
g
69
%
Saturated Fat
 
23
g
144
%
Cholesterol
 
108
mg
36
%
Sodium
 
899
mg
39
%
Potassium
 
965
mg
28
%
Carbohydrates
 
37
g
12
%
Fiber
 
2
g
8
%
Sugar
 
3
g
3
%
Protein
 
19
g
38
%
Vitamin A
 
975
IU
20
%
Vitamin C
 
11.1
mg
13
%
Calcium
 
336
mg
34
%
Iron
 
2.1
mg
12
%
* Percent Daily Values are based on a 2000 calorie diet.
Course: Side Dish
Cuisine: American
Keyword: Loaded Mashed Potatoes
Skill Level: Easy/Medium
Cost to Make: $

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Easy mashed potato bake in casserole dish

I hope your whole family will love this easy and delicious Loaded Mashed Potatoes Recipe!