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French Onion Potato Bake

French Onion Potato Bake


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  • Author: Lily Clarke
  • Total Time: 1 hour 25 minutes
  • Yield: Serves 8

Description

Indulge in the comforting layers of our French Onion Potato Bake, a delightful dish that perfectly marries creamy Yukon Gold potatoes with sweet, caramelized onions and an irresistible cheese blend. This hearty bake is a versatile addition to any meal, whether as a star side dish for family gatherings or as a satisfying main course for cozy weeknight dinners. With its gooey cheese melting into every layer, it’s sure to become a beloved favorite at your table. Easy to prepare and perfect for leftovers, this recipe will keep your taste buds happy!


Ingredients

Scale
  • 2 large yellow onions
  • 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, for extra crunch)

Instructions

  1. Caramelize the onions: In a skillet, melt butter with olive oil over medium heat. Add sliced onions and seasonings; cook until golden brown (20-25 minutes).
  2. Preheat oven to 375°F (190°C). Grease a baking dish.
  3. Layer half of the potatoes in the dish, followed by half of the onions and cheese. Repeat layers.
  4. Whisk together cream and broth; pour over layered ingredients.
  5. Cover with foil and bake for 45 minutes. Remove foil and bake for another 15-20 minutes until golden.
  • Prep Time: 15 minutes
  • Cook Time: 70 minutes
  • Category: Side Dish/Main Course
  • Method: Baking
  • Cuisine: French

Nutrition

  • Serving Size: 1 piece (182g)
  • Calories: 320
  • Sugar: 3g
  • Sodium: 480mg
  • Fat: 19g
  • Saturated Fat: 11g
  • Unsaturated Fat: 7g
  • Trans Fat: 0g
  • Carbohydrates: 30g
  • Fiber: 3g
  • Protein: 9g
  • Cholesterol: 58mg