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Creamy Twice-Baked Potato Casserole Recipe with Gruyere and Chives

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A comforting and easy casserole made from leftover baked potatoes, Gruyere cheese, and fresh chives, perfect for quick family dinners with a creamy texture and golden cheese crust.

Ingredients

Scale
  • 3 large russet potatoes (about 2 pounds / 900 grams)
  • 1 ½ cups shredded Gruyere cheese (about 150 grams)
  • ½ cup shredded sharp cheddar cheese (optional)
  • 3 tablespoons finely chopped fresh chives
  • 4 tablespoons unsalted butter (55 grams), softened
  • ½ cup sour cream (120 ml)
  • ½ cup whole milk (120 ml)
  • 1 teaspoon garlic powder
  • Salt and freshly ground black pepper to taste

Instructions

  1. Preheat the oven to 375°F (190°C). Lightly grease your casserole dish with butter or non-stick spray.
  2. Place whole russet potatoes in a large pot of cold, salted water. Bring to a boil and cook until fork-tender, about 20-25 minutes.
  3. Drain the potatoes and let them cool for about 5 minutes until warm enough to handle.
  4. Peel the potatoes carefully and mash them in a mixing bowl until mostly smooth with some lumps for texture.
  5. Stir in softened butter, sour cream, and milk until creamy but not runny. Adjust milk quantity if needed.
  6. Season with garlic powder, salt, and black pepper to taste.
  7. Fold in shredded Gruyere (reserve ½ cup for topping), cheddar cheese if using, and chopped chives evenly into the mash.
  8. Spread the potato mixture evenly in the casserole dish and smooth the top. Sprinkle the reserved Gruyere over the surface.
  9. Bake uncovered for 25-30 minutes until the top is bubbly and golden brown.
  10. Let the casserole rest for 5 minutes before serving.

Notes

If the top browns too fast, tent loosely with foil halfway through baking. You can substitute sour cream with Greek yogurt or almond milk for dairy-free options. Fresh chives can be replaced with scallions. For a crispy bacon topping, sprinkle bacon bits before baking (optional).

Nutrition

Keywords: twice-baked potatoes, casserole, Gruyere cheese, chives, creamy potato dish, easy family dinner, comfort food

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