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This Mashed Potato Casserole elevates an ordinary batch of creamy mashed potatoes into something divine topped with cheddar, bacon bits, and green onions. | aheadofthyme.com

Mashed Potato Casserole


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5 from 1 review

  • Author: Sam Hu | Ahead of Thyme
  • Total Time: 1 hour
  • Yield: 6-8 servings
  • Diet: Gluten Free

Description

This Mashed Potato Casserole elevates an ordinary batch of creamy mashed potatoes into something absolutely divine topped with cheddar, bacon bits, and green onions. It has all of the flavors of a fully loaded baked potato, but in casserole form. It's such a fun dish and the perfect way to elevate your side dish game for your next holiday meal! 


Ingredients

  • 3 pounds yukon gold or russet potatoes (approximately 4-5 large potatoes), peeled and cut into 1 inch pieces
  • 5 slices bacon, sliced in half
  • 1 cup milk
  • 2 tablespoons unsalted butter, cut into 1-inch pieces
  • 1/3 cup sour cream
  • 1 teaspoon salt (or to taste)
  • ¼ teaspoon ground black pepper (or to taste)
  • 1 1/2 cups cheddar cheese, shredded
  • 1 tablespoon green onions, finely chopped

Instructions

  1. Preheat oven to 375F.
  2. Place potatoes in a large cooking pot and cover with salted water, covering the potatoes by about an inch. Bring to a boil over high heat. Reduce heat to low, cover, and simmer for 15-20 minutes, until potatoes are soft when you insert a fork. Once the potatoes are ready, drain well and place back in the pot. Use a potato masher (or a fork) to mash the potatoes.
  3. While the potatoes are cooking, add bacon in a skillet and cook over medium-high heat until browned on both sides and crisp, about 6-8 minutes. Reserve the bacon fat in a bowl and transfer the bacon onto a paper towel lined plate. Chop the bacon into 1-inch bits.
  4. Once the potatoes are ready, drain well and place back in the pot. Use a potato masher (or a fork) to mash the potatoes. Add milk, butter, sour cream, salt, pepper, and reserved bacon fat. Stir well with a spatula until evenly combined.
  5. Transfer the mashed potato into a 2-quart casserole dish and top with cheddar cheese and bacon bits.
  6. Cover with foil and bake for 20 minutes. Remove the foil and bake uncovered for another 10 minutes until the melted cheese is bubbly.

  7. Garnish with green onions and serve warm.

Notes

How to store: Place any leftover potatoes in an airtight container in the fridge for 3-4 days.

How to reheat: Either microwave a serving for 2-3 minutes or pop them in a preheated 375F oven with a fresh sprinkle of cheese for 8-10 minutes until warm and the cheese is melted.

How to freeze: Freeze chilled leftovers in a freezer safe container for 2-3 months. Thaw in the fridge overnight before reheating the next day.

  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Category: Side Dish
  • Method: Bake
  • Cuisine: American