Pot (small), Oven, Stovetop, Parchment paper, Baking pan
Preheat the broiler. Peel, halve & thinly slice the onions.
Melt a dab of butter in a pot over medium heat. Add the onions. Sauté for 5 min.
Sift in the flour (optional). Stir to combine.
Add the chicken stock. Stir.
Pour in the white wine (optional). Reduce the heat to low & simmer for 20 min.
Place the bread slices on a baking sheet. Sprinkle generously with parmesan cheese & black pepper. Broil until the cheese is melty & the bread toasted. Be careful they don't burn!
Ladle the soup into bowls. Top each with a slice of cheesy toast. Bon appétit!
Average estimated amount for one serving
On average, one serving of the recipe "French Onion Soup" contains 363 Energy, 17 g of Fat, 36 g of Carbohydrates, 12 g of Protein, 7 g of Fiber.