Loaded Mashed Potato Casserole

User Reviews

5

155 reviews
Excellent
  • Prep Time

    10 mins

  • Cook Time

    40 mins

  • Total Time

    50 mins

  • Servings

    6 servings, as a side

  • Calories

    625 kcal

  • Course

    Side Dish

  • Cuisine

    American

Loaded Mashed Potato Casserole

This Loaded Mashed Potato Casserole combines creamy mashed russet potatoes with sour cream, butter, and milk for a rich base. It's topped with golden brown sautéed bacon and melted Colby jack cheese, creating a hearty, comforting dish. Baked until the cheese bubbles and turns golden, it features a soft, creamy interior with flavorful, textured toppings. Garnished with green onions, it adds fresh sharpness and color to the casserole, making it a satisfying side or main dish.

Description

The casserole starts by boiling peeled and cubed russet potatoes until tender, then draining them and mashing until smooth and creamy. Butter and warm milk are combined into the mashed potatoes along with sour cream to add richness and moisture. After transferring the mashed potatoes to a baking dish, cooked bacon is sprinkled over the top, adding a smoky and salty crunch.

Freshly shredded Colby jack cheese covers the bacon layer and melts during baking into a gooey, golden crust. The dish is baked covered first to heat through and melt cheese, then uncovered to allow the top to brown. Green onions or chives sprinkled over the finished casserole contribute a mild onion flavor and a pop of color.

This casserole works well for gatherings or comforting family meals. Using russet potatoes provides a fluffy texture ideal for mashing. The combination of creamy potatoes, sharp cheese, and bacon creates layers of flavor across creamy and crispy textures.

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Ingredients

Servings
  • 2 ½ lbs russet potato peeled and cut into 1/2" cubes
  • 1 tsp salt or to taste
  • 3/4 cup milk (whole or 2% milk)
  • 8 Tbsp butter unsalted
  • ¼ cup sour cream
  • 8 oz Colby jack cheese freshly shredded
  • 8 oz Bacon chopped
  • 2 Tbsp green onion to garnish, or chives

Instructions

  1. 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.
  2. 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.
  3. 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.
  4. On a medium skillet, saute chopped bacon until golden brown. Sprinkle bacon over potatoes and top with shredded cheese.
  5. 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 Information

Show Details
Calories 625kcal (31%) Carbs 37g Protein 19g (38%) Fat 45g (69%) Saturated Fat 23g (115%) Cholesterol 108mg (36%) Sodium 899mg (37%) Potassium 965mg (21%) Fiber 2g (8%) Sugar 3g (6%) Vitamin A 975IU (20%) Vitamin C 11.1mg (12%) Calcium 336mg (34%) Iron 2.1mg (12%)

Nutrition Facts

Serving: 6servings, as a side

Amount Per Serving

Calories 625 kcal

% Daily Value*

Calories 625kcal 31%
Carbs 37g
Protein 19g 38%
Fat 45g 69%
Saturated Fat 23g 115%
Cholesterol 108mg 36%
Sodium 899mg 37%
Potassium 965mg 21%
Fiber 2g 8%
Sugar 3g 6%
Vitamin A 975IU 20%
Vitamin C 11.1mg 12%
Calcium 336mg 34%
Iron 2.1mg 12%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

5

155 reviews
Excellent

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