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Creamy Gruyère and Caramelized Onion Scalloped Potatoes

This scalloped potatoes recipe features rich layers of creamy Gruyère cheese and caramelized onions, making it a delightful comfort food perfect for family dinners and holiday gatherings.
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Prep Time 20 minutes
Cook Time 1 hour
Total Time 1 hour 20 minutes
Servings: 8 servings
Course: Main Course, Side Dish
Cuisine: American, Comfort Food
Calories: 400
Ingredients Method Notes

Ingredients
  

For the Potatoes
  • 2 pounds russet potatoes, thinly sliced Starchy goodness for creamy texture.
  • 2 cups heavy cream For a rich, creamy sauce.
  • 1 cup grated Gruyère cheese Melty goodness; Swiss cheese can be substituted.
  • 1 large onion, thinly sliced For caramelization.
  • 2 tablespoons butter For caramelizing the onions.
  • to taste Salt and pepper For seasoning.
  • for garnish Fresh thyme Optional, for a gourmet touch.

Method
 

Preparation
  1. Preheat your oven to 375°F (190°C).
  2. In a skillet over medium heat, melt the butter. Add thinly sliced onions, sprinkle a pinch of salt, and cook slowly, stirring occasionally until golden brown (about 15-20 minutes).
  3. In a greased 9x13-inch baking dish, arrange half of the sliced potatoes at the bottom and season lightly with salt and pepper.
  4. Pour a cup of heavy cream over the potatoes, then sprinkle half of the caramelized onions and half of the Gruyère cheese on top. Repeat with remaining ingredients.
Cooking
  1. Cover the baking dish with aluminum foil and bake for 45 minutes.
  2. Remove the foil and bake for an additional 15 minutes until the top is golden brown and bubbly.
  3. Let it cool for a few minutes before serving.

Notes

You can make these potatoes ahead of time by assembling and refrigerating the dish for up to 24 hours before baking. Store leftovers in an airtight container for up to 3 days.