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Classic French Onion Soup

Print Recipe
Prep Time 20 minutes
Cook Time 1 hour
Total Time 1 hour 20 minutes
Course Entree, Soup
Cuisine French
Servings 6

Ingredients
  

  • 3 lbs Yellow Onions Sliced
  • 2 tbsp Butter
  • 1 tbsp Olive Oil
  • 1 tsp Sugar
  • 1/2 tsp Salt
  • 1/4 tsp Black Pepper
  • 8 cups Beef Broth
  • 1/2 cup Dry Sherry Optional
  • 6 slices French Bread
  • 6 oz Gruyere Cheese Grated

Instructions
 

  • Melt butter and olive oil in a large pot or Dutch oven over medium heat.
  • Add sliced onions, sugar, salt, and pepper. Cook, stirring occasionally, for 30-40 minutes, or until the onions are deeply caramelized and golden brown.
  • Pour in beef broth and sherry (if using). Bring to a simmer and cook for 15-20 minutes to allow the flavors to meld.
  • Preheat broiler. Place French bread slices on a baking sheet and broil for 1-2 minutes per side, or until lightly toasted.
  • Ladle soup into oven-safe bowls. Top each bowl with a slice of toasted French bread and sprinkle generously with grated Gruyere cheese.
  • Broil for 2-3 minutes, or until the cheese is melted and bubbly. Serve immediately.
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