French Onion Soup with Gruyère Croutons

Photo: Ludovic Péron · CC BY-SA 3.0 · source
Onions cooked low and slow in butter until deep amber and jammy, simmered in rich beef broth and crowned with toasted baguette under bubbling Gruyère.
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Ingredients
- 2½ lb yellow onions, halved and thinly sliced
- 7 tbsp butter
- 6 cups beef broth
- 8 slices baguette
- 6 oz Gruyère, shredded
From your pantry: 2 tbsp flour, ¾ cup dry white wine (optional), 2 bay leaves, ½ tsp dried thyme, salt, pepper.
Instructions
- Melt the butter in a heavy pot over medium heat, add the onions and stir to coat. Turn the heat to medium-low and cook 30 minutes, stirring every few minutes, until soft and translucent.
- Turn the heat to medium, add 1 tsp salt and cook another 20 to 30 minutes, stirring more often and scraping up the brown bits, until the onions are a deep golden brown.
- Add the wine and boil 2 minutes until mostly gone, then sprinkle in the flour and stir 1 minute.
- Add the broth, thyme and bay leaves, cover and simmer gently 30 minutes. Season to taste with salt and pepper.
- Toast the baguette slices under the broiler until golden on both sides, pile with Gruyère and broil until bubbling and spotted brown. Ladle soup into bowls and float 2 cheese toasts on each.
Tip: Do not rush the onions with high heat; they burn before they sweeten. For the classic look, ladle into oven-safe crocks, top with toast and cheese and broil the whole bowl.
Nutrition per serving
| Calories | 585 |
|---|---|
| Protein | 22 g |
| Carbohydrates | 48 g |
| Fat | 35 g |
| Fiber | 6 g |
| Sugar | 13 g |
| Sodium | 2050 mg |
Good for
Adapted from RecipeTin Eats.