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5.0 from 3 votes

French Onion Soup Recipe

This classic French onion soup recipe is the ultimate comfort food on a cold day.

Prep Time
10 mins
Cook Time
1 hr 10 mins
Total Time
1 hr 25 mins
Servings: 4 Servings
Calories: 428 kcal
Course: Soup
Cuisine: French

Ingredients

  • ¼ cup unsalted butter (1 stick)
  • 6 yellow onions thinly sliced
  • 6 garlic cloves minced
  • 1 teaspoon dried thyme or 3 sprigs of fresh thyme
  • 6 cups beef broth
  • 1 tablespoons balsamic vinegar
  • 1 teaspoon Dijon mustard
  • 4 lices baguette or 12 slices if using a skinny baguette
  • 1 cup grated gruyere cheese or Emmenthal cheese

Instructions

    Cup of Yum
  1. Melt the butter in a large saucepan over medium heat. Add the onions, garlic, and thyme and cook for about 45 minutes, stirring occasionally, until the onion are very soft and brown.
  2. Add the wine and balsamic vinegar and stir until syrupy, about 3 minutes. Add the beef broth and Dijon mustard and simmer about 20 minutes.
  3. Place the baguette slices on a cookie sheet and toast in a 350 degree oven for about 5 minutes.
  4. Preheat the broiler. Ladle the soup into ovenproof bowls and top each with 3 baguette slices and ¼ cup cheese. Broil until the cheese is bubbling and slightly brown. Serve.

Nutrition Information

Serving 0.25of Recipe Calories 428kcal (21%) Carbohydrates 34g (11%) Protein 19g (38%) Fat 24g (37%) Saturated Fat 14g (70%) Cholesterol 67mg (22%) Sodium 1670mg (70%) Potassium 515mg (15%) Fiber 4g (16%) Sugar 8g (16%) Vitamin A 667IU (13%) Vitamin C 14mg (16%) Calcium 434mg (43%) Iron 2mg (11%)

Nutrition Facts

Serving: 4Servings

Amount Per Serving

Calories 428

% Daily Value*

Serving 0.25of Recipe
Calories 428kcal 21%
Carbohydrates 34g 11%
Protein 19g 38%
Fat 24g 37%
Saturated Fat 14g 70%
Cholesterol 67mg 22%
Sodium 1670mg 70%
Potassium 515mg 11%
Fiber 4g 16%
Sugar 8g 16%
Vitamin A 667IU 13%
Vitamin C 14mg 16%
Calcium 434mg 43%
Iron 2mg 11%

* Percent Daily Values are based on a 2,000 calorie diet.