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French Onion Soup


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  • Author: Chloe
  • Total Time: 2 hours 15 minutes
  • Yield: Approximately 6 servings 1x

Description

Warm up with our delicious French Onion Soup recipe! This comforting classic features perfectly caramelized onions simmered in rich beef and chicken broth, topped with gooey melted Gruyere cheese on crispy baguette slices. Ideal for chilly evenings or elegant gatherings, this savory dish balances deep flavors with satisfying warmth. Whether served as a starter or a main course alongside fresh bread, it’s sure to impress your family and friends. Simple ingredients come together effortlessly, making it accessible for cooks of all skill levels. Embrace the cozy vibes that this traditional recipe brings to your table!


Ingredients

Scale
  • 4 large yellow onions
  • 2 large sweet onions (Vidalia)
  • 6 tablespoons butter
  • 4 cups beef broth
  • 1.5 cups chicken broth
  • ¾ cup apple vinegar
  • 6 slices Gruyere cheese
  • 1 baguette


Instructions

  1. Slice the onions into ¼-inch pieces.
  2. Melt butter in a large pot over medium-low heat.
  3. Add sliced onions, stirring occasionally for about 2 hours until caramelized.
  4. Deglaze the pot with apple vinegar, scraping any browned bits.
  5. Optional: Sprinkle flour over the onions and cook for an additional 2 minutes.
  6. Add beef broth, chicken broth, bay leaves, and thyme; simmer for about 45 minutes.
  7. Preheat oven to 350°F and toast baguette slices until lightly golden.
  8. Top each baguette slice with Gruyere cheese and bake at 450°F until melted.
  9. Season soup with salt and pepper before serving hot.
  • Prep Time: 15 minutes
  • Cook Time: 2 hours
  • Category: Soup
  • Method: Simmering/Baking
  • Cuisine: French

Nutrition

  • Serving Size: 1 bowl (about 250g)
  • Calories: 360
  • Sugar: 5g
  • Sodium: 800mg
  • Fat: 20g
  • Saturated Fat: 12g
  • Unsaturated Fat: 7g
  • Trans Fat: 0g
  • Carbohydrates: 30g
  • Fiber: 3g
  • Protein: 12g
  • Cholesterol: 50mg
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