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Delicious French Onion Soup with Cheesy Crust Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.7 from 30 reviews
  • Author: Rosy
  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Total Time: 55 minutes
  • Yield: 4 servings
  • Category: Soup
  • Method: Stovetop
  • Cuisine: French

Description

This rich and simple French Onion Soup is a comforting classic, featuring tender onions simmered in savory beef broth and enriched with a splash of dry sherry and dried thyme. Topped with crusty French bread and a combination of provolone, Swiss, and Parmesan cheeses, then broiled to bubbly perfection, it’s an ideal heartwarming dish for cold nights.


Ingredients

Scale

Soup Ingredients

  • 0.5 cup unsalted butter
  • 2 tablespoons olive oil
  • 4 cups sliced onions
  • 5 cups beef broth
  • 2 tablespoons dry sherry
  • 1 teaspoon dried thyme
  • 1 pinch salt and pepper to taste

Toppings

  • 4 slices French bread
  • 4 slices provolone cheese
  • 2 slices Swiss cheese, diced
  • 0.25 cup grated Parmesan cheese


Instructions

  1. Prepare Ingredients: Gather all ingredients so you have everything ready to start cooking.
  2. Sauté Onions: Melt the butter with olive oil in an 8-quart stock pot over medium heat. Add the sliced onions and stir continuously until they become tender and translucent without browning, ensuring a mellow sweetness.
  3. Simmer Soup: Add beef broth, dry sherry, and dried thyme to the pot. Season with salt and pepper. Bring the mixture to a simmer and cook gently for 30 minutes to develop rich flavors. Meanwhile, preheat your oven's broiler to high.
  4. Assemble Bowls: Ladle the hot soup into oven-safe serving bowls. Place one slice of French bread on top of each bowl; you can break the bread into pieces if preferred. Layer each bread slice with one slice of provolone cheese, half a diced Swiss slice, and about one tablespoon of grated Parmesan cheese.
  5. Broil Cheese Topping: Place the bowls on a rimmed sheet pan for stability, then broil in the preheated oven for about 2 to 3 minutes until the cheese bubbles and turns slightly browned and golden.
  6. Serve: Carefully remove from the oven, serve hot, and enjoy the comforting, cheesy, and flavorful French onion soup.

Notes

  • To deepen flavor, allow the onions to caramelize lightly if you prefer a richer taste, but avoid over-browning for this particular recipe.
  • Use oven-safe bowls or ramekins to prevent any accidents during broiling.
  • The combination of three cheeses offers a balanced texture and flavor; you can adjust the amounts based on preference.
  • Dry sherry adds depth, but you can substitute with dry white wine if unavailable.
  • For a vegetarian version, substitute beef broth with vegetable broth and omit cheeses containing animal rennet.

Nutrition

  • Serving Size: 1 bowl
  • Calories: 586 kcal
  • Sugar: 7 g
  • Sodium: 1592 mg
  • Fat: 44 g
  • Saturated Fat: 24 g
  • Unsaturated Fat: 0 g
  • Trans Fat: 0 g
  • Carbohydrates: 28 g
  • Fiber: 3 g
  • Protein: 21 g
  • Cholesterol: 98 mg