French Onion Soup
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5 from 2 votes

French Onion Soup With A Kick

This French Onion Soup has a secret ingredient that adds flavor and a special WOW factor!
Prep Time15 mins
Cook Time45 mins
Total Time1 hr
Course: Soup
Cuisine: American
Keyword: mushroom, soup
Method: Stove Top
Skill Level: Intermediate
Servings: 4
Calories: 55kcal
Author: Marilyn


  • ¼ cup unsalted butter
  • 2 onions sliced
  • 2 garlic cloves chopped
  • 1 bay leaf
  • 2 fresh thyme sprigs
  • Kosher salt and freshly ground black pepper
  • ½ cup red wine
  • 2 heaping tablespoons all-purpose flour
  • 4 cups beef broth
  • 1 baguette sliced
  • 4 slices Gruyére cheese


  • Melt the butter in a large pot over medium heat.
  • Add the onions, garlic, bay leaf, thyme, and salt and pepper and cook until the onions are soft, about 25 minutes.
  • Add the wine, bring to a boil, reduce the heat and simmer until the wine has evaporated and the onions are dry, about 5 minutes.
  • Discard the bay leaf and thyme sprigs.
  • Add the flour and stir. Turn the heat down to medium low and cook for 10 minutes.
  • Add the beef broth, bring the soup to a simmer, and cook for 10 minutes.
  • Season, to taste, with salt and pepper.
  • Preheat a broiler.
  • Arrange the baguette slices on a baking sheet in a single layer and bake until crispy.
  • Top the soup with 1-2 crispy baguette slices and a slice of cheese, then place back in the broiler until the cheese is melted.


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Serving: 1Cup | Calories: 55kcal | Carbohydrates: 8g | Protein: 3.6g | Fat: 1.7g | Saturated Fat: 0.3g | Polyunsaturated Fat: 0.6g | Monounsaturated Fat: 0.7g | Trans Fat: 0g | Cholesterol: 0mg | Sodium: 1028mg | Potassium: 68mg | Fiber: 0.7g | Sugar: 3.2g | Vitamin A: 0IU | Vitamin C: 1.7mg | Calcium: 20mg | Iron: 0.5mg