French Onion Soup For One
This single serving French Onion Soup features sweet caramelized onions in a savory broth, topped with crusty bread and melted Gruyere cheese. Rich, classic flavor without the leftovers.
Servings: 1 serving
Equipment
Ingredients
- 3 tablespoons salted butter
- 1 small yellow onion -halved, then thinly sliced
- 1 clove garlic -chopped
- ½ teaspoon dried thyme
- ¼ teaspoon kosher salt
- ⅛ teaspoon coarsely ground black pepper
- ¼ cup red wine
- 1 tablespoon all-purpose flour
- 2 cups low sodium chicken broth
- 1 thick slice French bread
- ¼ cup shredded Gruyere cheese
Instructions
- Caramelize the Onions: Melt the butter in a 2-quart saucepan over medium heat. Add the sliced onions, garlic, thyme, salt, and pepper. Cook, stirring occasionally, until the onions are very soft and caramelized, about 25 minutes.
- Deglaze with Wine: Pour in the wine and bring to a boil. Reduce the heat to low and simmer until the wine has evaporated, about 5 minutes.
- Add Flour for Thickening: Sprinkle the flour over the onions and stir to coat evenly. Lower the heat to medium-low and cook for 10 minutes, stirring occasionally to prevent the flour from burning.
- Simmer the Soup: Stir in the broth and bring the soup back to a gentle simmer. Cook for 10 minutes, stirring occasionally. Taste and add more salt if needed.
- Prepare the Cheese Bread: While the soup simmers, heat the broiler. Place the French bread slice on a baking sheet, sprinkle Gruyere cheese on top, and broil until the cheese is bubbly and golden brown, about 3-4 minutes.
- Assemble and Serve: Place the toasted cheese bread in a soup bowl. Pour the hot soup over the bread and enjoy immediately.
Video
Notes
- Slice Onions Thinly: Thin, even slices caramelize more evenly and ensure every spoonful of soup has tender, flavorful onions.
- Low and Slow Cooking: Patience is key when caramelizing onions. Cooking them over low to medium heat allows their natural sweetness to develop fully without burning.
- Gruyere Cheese: Gruyere melts beautifully and delivers the classic nutty flavor that defines French Onion Soup. If unavailable, try Gouda, Fontina, or Mozzarella.
- Selecting the Best Broth: Beef broth is traditional, but store-bought varieties often have a metallic taste that can overpower the soup. Chicken broth provides a more balanced, mild flavor and works wonderfully in this recipe. If you're aiming for a vegetarian version, high-quality vegetable broth is another excellent option.
Nutrition
Serving: 1serving | Calories: 628kcal | Carbohydrates: 21g | Protein: 21g | Fat: 47g | Saturated Fat: 28g | Cholesterol: 126mg | Sodium: 1145mg | Potassium: 584mg | Fiber: 1g | Sugar: 4g | Vitamin A: 1365IU | Vitamin C: 6.1mg | Calcium: 379mg | Iron: 2.2mg
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