🕒 Preparation time:
Prep time: 15 minutes
Cooking time: approx. 45–60 minutes
🧾 Ingredients (serves 4):
800 g onions (yellow or white), thinly sliced
2 tbsp butter
1 tbsp olive oil
1 tsp sugar
2 garlic cloves, finely chopped
150 ml dry white wine (optional)
1 liter beef or vegetable broth
1 bay leaf
1 sprig of thyme or ½ tsp dried thyme
Salt and black pepper
For the gratin slices (classic):
1 baguette, sliced
150 g grated Gruyère or Emmental (or a blend)
👩🍳 Preparation: