Description
This traditional French Onion Soup has warm baguettes topped with hot, melted Gruyere cheese. High quality beef broth and perfectly caramelized onions are the secrets to this classic recipe.
Ingredients
Scale
- 4 large yellow onions
- 2 large sweet onions (Vidalia)
- 6 Tablespoons butter
- 2 sprigs fresh thyme
- 2 Bay leaves
- 3/4 cup mixture of 3 Tablespoons white wine vinegar and beef or chicken broth
- 3 tablespoons flour
- 4 cups beef broth
- 1 beef bouillon cube
- 1.5 cups chicken broth
- 1 teaspoon Worcestershire sauce
- Salt and pepper to taste
- 1 baguette
- 3 Tablespoons olive oil
- 6 slices Gruyere cheese
Instructions
- Step: Slice the onions into ¼-inch slices.
- Step: Melt the butter in a large soup pot or dutch oven over medium-low heat until it begins to foam.
- Step: Add the onions and use tongs to toss and coat them in the butter.
- Step: Caramelize the onions slowly, stirring every 10-15 minutes, adding splashes of the vinegar/broth mixture to clean the bottom of the pot as needed.
- Step: Sprinkle flour over the onions and cook for 2 minutes, then add any remaining vinegar/broth mixture and increase the heat to medium-high until richly brown and sweet.
- Step: Add the beef broth, beef bouillon, chicken broth, Worcestershire sauce, bay leaves and thyme, and simmer over medium heat for 45 minutes with the lid cracked.
- Step: Preheat the oven to 350° F.
- Step: Slice the baguette into ½ inch thick slices, brush the tops with olive oil and bake for about 5 minutes.
- Step: Increase the oven temperature to 450° F, top each baguette with cheese and bake until the cheese melts and begins to bubble and brown.
- Step: Remove the bay leaves and thyme stems, then season to taste with salt and pepper.
- Step: Ladle the warm soup into bowls and top each with the warm baguettes.
Notes
Use about 5 pounds of onions total for this recipe. For a wine-free alternative, use a combination of 3 Tablespoons white wine vinegar and beef or chicken broth to make 3/4 cup.
- Prep Time: 15 minutes
- Cook Time: 1 hour 25 minutes
- Category: Soup
- Method: Stovetop and Oven
- Cuisine: French
Nutrition
- Serving Size: 1 bowl
- Calories: 509 kcal
- Sugar: 10 g
- Sodium: 1284 mg
- Fat: 30 g
- Saturated Fat: 14 g
- Unsaturated Fat: 13 g
- Trans Fat: 1 g
- Carbohydrates: 40 g
- Fiber: 4 g
- Protein: 16 g
- Cholesterol: 61 mg
Keywords: French Onion Soup, caramelized onions, Gruyere cheese, classic soup