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Easy French Onion Soup

Prep Time 10 minutes
Cook Time 1 hour
Total Time 1 hour 10 minutes
Servings 4 servings
Calories 350
A classic and comforting French Onion Soup made with caramelized onions, flavorful broth, and melted cheese, perfect for a cozy meal.

Ingredients

Butter and Oil

  • 3 tablespoons butter
  • 1/2 tablespoon olive oil

Main ingredients

  • 2 pounds yellow onions ((about 3), thinly sliced)
  • 1/2 teaspoon granulated white sugar
  • 1/4 teaspoon salt
  • 1/8 teaspoon pepper
  • 2 tablespoons all purpose flour
  • 6 cups beef broth
  • 1 whole bay leaf

Bread and Cheese

  • 8 slices baguette
  • 4 ounces grated Gruyere cheese ((1 cup))
  • 1 ounce freshly grated Parmesan cheese ((1/4 cup))

Garnish

  • as needed fresh thyme (optional)

Instructions 

  • Melt butter and olive oil in a large pot. Add onions and sugar; cook until caramelized, about 30 minutes.
  • Add salt, pepper, flour; cook 1 minute. Stir in broth and bay leaf; simmer 30 minutes.
  • Season to taste. Toast baguette slices. Assemble soup with bread and cheeses, then broil until cheese melts and browns.

Notes

Use high-quality cheese for best flavor. Caramelize onions slowly for rich sweetness.
Calories: 350kcal
Cost: $15
Course: Soup
Cuisine: French
Keyword: onions