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French Onion Potato Bake

French Onion Potato Bake

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Indulge in the rich, creamy goodness of this French Onion Potato Bake, a dish that combines the comforting flavors of caramelized onions and cheesy potatoes into one irresistible casserole. Perfect for busy weeknights or family gatherings, this recipe is easy to prepare and sure to warm your heart. With layers of tender Yukon Gold potatoes baked in a flavorful onion mixture and topped with a luscious cheese sauce, it’s an ultimate comfort food that everyone will love. Plus, it’s customizable with your favorite cheeses and add-ins, making it versatile enough for any occasion.

Ingredients

Scale
  • 2 large yellow onions
  • 4 large Yukon Gold potatoes
  • 1 cup shredded Gruyère cheese (or Swiss/cheddar)
  • ½ cup grated Parmesan cheese
  • 1 cup heavy cream (or whole milk)
  • ½ cup beef broth (or vegetable broth for a vegetarian version)
  • 2 tablespoons butter
  • 1 tablespoon olive oil
  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • ½ teaspoon garlic powder
  • ½ teaspoon dried thyme (or 1 teaspoon fresh thyme)
  • Fresh thyme sprigs for topping
  • Extra Parmesan cheese for topping
  • Crispy fried onions (optional, for extra crunch)

Instructions

  1. Sauté sliced onions in butter and olive oil until golden brown. Add garlic powder, thyme, and broth; simmer for 5 minutes.
  2. Preheat oven to 375°F (190°C). Layer half of the potato slices and onion mixture in a greased baking dish; repeat layers.
  3. Combine cheeses, cream, salt, pepper, and thyme in a bowl; pour over layered potatoes.
  4. Cover with foil and bake for 45 minutes. Remove foil during the last 10 minutes to brown the top.
  5. Let cool slightly before serving; garnish with fresh thyme sprigs and optional crispy fried onions.

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