Jul 14 2026
Restaurants›Arthur's Prime Steakhouse›French Onion Soup Recipe

French Onion Soup Recipe

Inspired by Arthur's Prime Steakhouse
Time1h 10m
Serves6

Rich beef broth with caramelized onions, topped with melted cheese.

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Ingredients

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Broth

Onions

Toppings

Method

Preparing the Broth

  1. 1

    Combine ingredients

    In a large pot, combine 8 cups of beef broth, 2 bay leaves, 1 tsp of dried thyme, 1 tsp of salt, and 1 tsp of black pepper. Bring to a simmer over medium heat.

Caramelizing Onions

  1. 2

    Slice the onions

    Peel and thinly slice 4 yellow onions.

  2. 3

    Cook the onions

    In a large skillet, melt 4 tbs of butter and 2 tbs of olive oil over medium heat. Add the sliced onions and stir to coat. Cook, stirring occasionally, until the onions are deep golden brown and caramelized, about 30-40 minutes.

Combining and Serving

  1. 4

    Add onions to broth

    Once the onions are caramelized, add them to the simmering broth. Allow to simmer together for an additional 15-20 minutes.

  2. 5

    Prepare the baguette

    While the soup is simmering, slice the baguette into 1-inch thick slices. Toast in a broiler until golden brown on both sides.

  3. 6

    Serve the soup

    Ladle the soup into oven-safe bowls. Top each bowl with a slice of toasted baguette and sprinkle 1/2 cup of Gruyère cheese and 1/4 cup of Parmesan cheese on top.

  4. 7

    Melt the cheese

    Place the bowls under the broiler for 2-3 minutes, or until the cheese is bubbly and golden brown. Serve hot.

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