Ingredients:
– 4 large onions, thinly sliced
– 2 tablespoons butter
– 1 tablespoon olive oil
– 1 teaspoon sugar
– 1 liter vegetable broth
– 250 ml dry white wine
– 1 teaspoon dried thyme
– Salt and pepper to taste
– Baguette, sliced
– 200 g grated Gruyère cheese
Instructions:
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