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Easy French Onion Soup Recipe

Easy French Onion Soup Recipe

This classic French Onion Soup is rich, comforting, and perfect for any time of year. Filled with caramelized onions and topped with melted cheese, it's sure to be a hit!
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Prep Time: 15 minutes
Cook Time: 1 hour
Total Time: 1 hour 15 minutes
Servings: 4
Calories: 120kcal

Ingredients
 

Main Ingredients

  • 2 tbsp unsalted butter divided
  • 2 tbsp olive oil
  • 4 large yellow onions thinly sliced
  • 1 tsp sugar to help caramelize
  • 1 tsp salt or to taste
  • 1 tsp black pepper freshly ground
  • 3 cups beef broth low sodium
  • 1 cup white wine or extra beef broth
  • 1 tsp fresh thyme leaves or 1/2 tsp dried thyme
  • 1 tsp Worcestershire sauce
  • 4 slices French bread toasted
  • 1 cup Gruyere cheese shredded

Instructions

Preparation Steps

  • Melt 1 tbsp butter and the olive oil in a large pot over medium heat.
  • Add the sliced onions and cook until they begin to soften, about 15 minutes.
  • Stir in the sugar, and continue cooking until onions are caramelized, about 30 more minutes.
  • Add the salt, pepper, thyme, Worcestershire sauce, beef broth, and white wine to the pot.
  • Bring to a boil, then reduce heat and simmer for 20 minutes.
  • Preheat the broiler. Ladle soup into bowls, top with a slice of toasted bread, and sprinkle with Gruyere cheese.
  • Place bowls under the broiler until the cheese is bubbly and golden brown.

Notes

For a vegetarian version, substitute beef broth with vegetable broth.