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French Onion Potatoes


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  • Author: anna
  • Total Time: 60 minutes
  • Yield: 4 servings 1x
  • Diet: Vegetarian

Description

Savory-sweet roasted potatoes glazed with caramelized onions and melted cheese, perfect for a comforting side dish.


Ingredients

Scale
  • 900 g (2 lb) Yukon Gold or new potatoes, cut into 23 cm (1-inch) pieces
  • 450 g (3 large) yellow onions, thinly sliced
  • 30 g (2 tbsp) unsalted butter
  • 15 ml (1 tbsp) neutral oil
  • 5 g (1 tsp) granulated sugar (optional)
  • 30 ml (2 tbsp) dry sherry or dry white wine
  • 120 ml (1/2 cup) beef or vegetable broth
  • 100 g (1 cup) Gruyère or Swiss cheese, grated
  • 2 tsp fresh thyme leaves
  • 8 g (1 1/2 tsp) Diamond Crystal kosher salt
  • 1/2 tsp freshly ground black pepper
  • 30 g (1/3 cup) breadcrumbs (optional)

Instructions

  1. Parboil the potatoes in salted water for 8–10 minutes until tender with slight resistance. Drain and let steam-dry for 2 minutes.
  2. Heat butter and oil in a skillet, add onions and sugar, and cook until deep golden brown and soft (about 25–30 minutes).
  3. Stir in broth, thyme, salt, and pepper into onions and simmer for 2 minutes.
  4. Preheat oven to 220°C (425°F). Toss potatoes with the onion mixture and spread on a baking sheet.
  5. Roast for 20–25 minutes, tossing halfway. Top with cheese and return to oven for 3–5 minutes until melted.

Notes

For extra crispiness, spread potatoes in a single layer and avoid overcrowding the pan. You can parboil and prepare onions ahead of time to save effort during cooking.

  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Category: Side Dish
  • Method: Roasting
  • Cuisine: French

Nutrition

  • Serving Size: 1 serving
  • Calories: 380
  • Sugar: 6g
  • Sodium: 620mg
  • Fat: 16g
  • Saturated Fat: 8g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 46g
  • Fiber: 4g
  • Protein: 10g
  • Cholesterol: 30mg