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French Onion Potato Bake

French Onion Potato Bake

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French Onion Potato Bake is a creamy, comforting dish that blends the rich flavors of caramelized onions with tender layers of potatoes and gooey cheese. This delightful bake is perfect for family gatherings or a cozy weeknight dinner, offering a satisfying meal that everyone will love. With its simple preparation and customizable ingredients, you can easily make it your own. Whether served as a hearty main dish or a flavorful side, this French Onion Potato Bake will impress your guests with its delicious aroma and taste.

Ingredients

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  • 2 large yellow onions, thinly sliced
  • 2 tablespoons butter
  • 1 tablespoon olive oil
  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • 1 teaspoon sugar (optional)
  • ½ teaspoon garlic powder
  • ½ teaspoon dried thyme (or 1 teaspoon fresh thyme)
  • ½ cup beef broth (or vegetable broth)
  • 4 large Yukon Gold potatoes, sliced ¼-inch thick
  • 1 tablespoon butter (for greasing)
  • 1 cup shredded Gruyère cheese (or Swiss, cheddar, or mozzarella)
  • ½ cup Parmesan cheese, grated
  • 1 cup heavy cream or whole milk
  • ½ teaspoon salt
  • ¼ teaspoon black pepper
  • 1 teaspoon fresh thyme leaves
  • Fresh thyme sprigs (for garnish)
  • Extra Parmesan cheese (for garnish)
  • Crispy fried onions (optional)

Instructions

  1. In a large skillet over medium heat, melt butter and olive oil. Add sliced onions, seasoning with salt, pepper, sugar (if using), garlic powder, and thyme. Cook for 20-25 minutes until golden brown.
  2. Preheat your oven to 375°F (190°C) and grease a baking dish with butter.
  3. Layer half the sliced potatoes at the bottom of the dish, season, then add half of the caramelized onions followed by half of each cheese.
  4. Repeat the layers with remaining potatoes, onions, and cheeses.
  5. Mix heavy cream with salt, pepper, and thyme leaves; pour over the layered ingredients.
  6. Cover with foil and bake for 45 minutes. Remove foil and bake an additional 15-20 minutes until bubbly and golden.
  7. Let cool slightly before serving warm.

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