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5.0 from 228 votes

Loaded Mashed Potato Casserole

This make ahead loaded mashed potato casserole is full of bacon, cheese, sour cream and chives - it's the perfect no-fuss side dish for a holiday meal.

Prep Time
20 mins
Cook Time
20 mins
Total Time
1 hr
Servings: 6 servings
Calories: 462 kcal
Course: Side Dish
Cuisine: American

Ingredients

  • 3 pounds Russet potatoes peeled and cut into 1 and 1/2 inch pieces
  • 3/4 cup milk (I used 1%)
  • 4 tablespoons butter melted
  • 1 cup sour cream
  • Kosher salt and pepper to taste
  • 1 2/3 cups shredded cheddar cheese divided use
  • 1/2 cup crumbled cooked bacon
  • 1/4 cup finely chopped chives
  • 2 tablespoons finely chopped parsley
  • cooking spray

Instructions

    Cup of Yum
  1. Bring a large pot of water to a boil; add 2 tablespoons of salt. Place the potatoes in the pot and boil for 15-20 minutes or until potatoes are tender.
  2. Drain the potatoes, then place them back in the pot.
  3. Add to the pot the milk, butter, sour cream, and salt and pepper to taste. Mash the potatoes with a potato masher or electric mixer. Stir in 1 cup of the cheddar cheese.
  4. Preheat the oven to 350 degrees F. Place the potatoes into a 9 inch square pan or 2 quart casserole dish coated with cooking spray. Top with remaining 2/3 cup of cheddar cheese. 
  5. Cover the pan with foil and place into the oven. Bake for 20 minutes. Remove the foil and add the bacon; bake, uncovered for an additional 20 minutes or until cheese is bubbly and potatoes are heated through. 
  6. Sprinkle the chives and parsley over the top and serve immediately.

Notes

  • For extra smooth potatoes, use a potato ricer to smash the potatoes before you add them back to the pot. Never use a food processor to make mashed potatoes, as they will turn gummy.
  • I recommend using freshly shredded cheddar cheese. The bagged kind at the grocery store is often coated with preservatives and anti caking agents and does not melt as well.
  • This casserole can be prepared up to one day before you plan to serve it.

Nutrition Information

Calories 462kcal (23%) Carbohydrates 31g (10%) Protein 18g (36%) Fat 30g (46%) Saturated Fat 17g (85%) Cholesterol 85mg (28%) Sodium 490mg (20%) Potassium 1116mg (32%) Fiber 5g (20%) Sugar 2g (4%) Vitamin A 1020IU (20%) Vitamin C 29mg (32%) Calcium 375mg (38%) Iron 7.8mg (43%)

Nutrition Facts

Serving: 6servings

Amount Per Serving

Calories 462

% Daily Value*

Calories 462kcal 23%
Carbohydrates 31g 10%
Protein 18g 36%
Fat 30g 46%
Saturated Fat 17g 85%
Cholesterol 85mg 28%
Sodium 490mg 20%
Potassium 1116mg 24%
Fiber 5g 20%
Sugar 2g 4%
Vitamin A 1020IU 20%
Vitamin C 29mg 32%
Calcium 375mg 38%
Iron 7.8mg 43%

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