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French Onion Soup Recipe

French Onion Soup Recipe


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4.7 from 36 reviews

  • Total Time: 2 hours
  • Yield: 8 1x

Description

Hearty French onion soup beckons with caramelized onions and rich beef broth, creating a classic comfort dish from France. Melted gruyère cheese crowns crusty bread, inviting you to savor each spoonful of this timeless culinary treasure.


Ingredients

Scale

Main Ingredients:

  • 4 large yellow onions (about 3 pounds / 1.36 kilograms)
  • 8 cups high-quality beef broth
  • 1 pound (454 grams) French bread, sliced
  • 1 cup gruyere cheese, freshly grated
  • 1 cup Parmesan cheese, freshly grated
  • 8 ounces (226 grams) Swiss cheese, sliced

Flavor Enhancers:

  • 4 tablespoons butter
  • 1 tablespoon kosher salt
  • 1/4 teaspoon cayenne pepper
  • 2 tablespoons all-purpose flour
  • 1/2 cup sherry wine or white wine
  • 1 tablespoon fresh lemon juice
  • 1 tablespoon Better Than Bouillon Beef Base
  • 1 teaspoon prepared horseradish

Herbs and Aromatics:

  • 3 carrots, peeled and roughly chopped
  • 1 yellow onion, roughly chopped
  • 2 stalks celery, roughly chopped
  • 6 large cloves garlic, smashed
  • 3 sprigs fresh thyme
  • 3 small sprigs fresh rosemary
  • 3 bay leaves
  • 15 peppercorns

Instructions

  1. Gently transform sliced onions into a rich, golden-brown delicacy by melting butter in a large pan over medium heat. Enhance with a sprinkle of salt and cayenne pepper, stirring occasionally for initial 10 minutes.
  2. Reduce heat to medium-low and continue cooking onions for approximately 90 minutes, intermittently stirring every 10-20 minutes until they develop a deep caramel color and intense sweetness.
  3. Simultaneously, create a robust broth by combining beef stock with aromatic herbs, vegetables, and seasonings in a stockpot. Maintain a gentle simmer with partial lid coverage during onion caramelization.
  4. Strain the infused broth, discarding vegetable remnants while preserving the rich liquid. Keep warm and ready for integration.
  5. Dust caramelized onions with flour, stirring for 1-2 minutes to develop a subtle nutty essence. Deglaze with wine and lemon juice, capturing every flavorful browned morsel from the pan.
  6. Merge the concentrated onion mixture into the strained broth, allowing flavors to meld for 10 minutes. Taste and refine seasonings as desired.
  7. Prepare crisp bread accompaniments by toasting slices in a 350F oven for approximately 15 minutes, ensuring a golden, crunchy texture.
  8. Compose individual servings by layering Parmesan and gruyere in oven-safe bowls. Carefully ladle the aromatic soup, crown with toasted bread and additional cheese.
  9. Activate the broiler, positioning the bowls to achieve a bubbling, golden-brown cheese crust within 2-4 minutes.
  10. Present the soup immediately, garnishing with fresh chives and a whisper of cracked black pepper for a final flourish.

Notes

  • Slowly caramelize onions to develop deep, rich flavor without burning, which requires patience and consistent low-heat stirring.
  • Experiment with different cheese combinations like aged cheddar or provolone to customize the soup’s complexity and personal taste profile.
  • Consider using vegetable broth and mushroom stock for a vegetarian version that maintains the soup’s robust umami character.
  • Reduce sodium by using low-sodium broth and controlling additional salt during caramelization and seasoning stages.
  • Prep Time: 10 minutes
  • Cook Time: 1 hour 50 minutes
  • Category: Lunch, Dinner, Appetizer
  • Method: Sautéing
  • Cuisine: French

Nutrition

  • Serving Size: 8
  • Calories: 280 kcal
  • Sugar: 5 g
  • Sodium: 750 mg
  • Fat: 14 g
  • Saturated Fat: 8 g
  • Unsaturated Fat: 6 g
  • Trans Fat: 0.3 g
  • Carbohydrates: 24 g
  • Fiber: 2 g
  • Protein: 15 g
  • Cholesterol: 45 mg