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Bowl of Jason's Deli French onion soup topped with melted provolone and croutons

Copycat Jason's Deli French Onion Soup

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Prep Time: 15 minutes
Cook Time: 1 hour 15 minutes
Total Time: 1 hour 30 minutes
Servings: 6 Servings

Description

A copycat of the discontinued Jason's Deli French onion soup — deeply caramelized onions in a light beef broth, topped with melted provolone and croutons instead of a heavy baked cheese crust.

Ingredients 

Soup

  • 3 lbs yellow onions, halved and sliced thin
  • 3 tbsp unsalted butter
  • 1 tbsp olive oil
  • 1 tsp kosher salt
  • 1/2 tsp granulated sugar
  • 2 tbsp all-purpose flour
  • 1/2 cup dry sherry
  • 8 cups low-sodium beef broth
  • 2 tsp Worcestershire sauce
  • 3 sprigs fresh thyme
  • 1 bay leaf
  • Black pepper, to taste

For serving

  • 6 slices provolone cheese
  • 1/2 baguette, cut into 3/4-inch cubes
  • 1 tbsp olive oil

Instructions

  • Melt butter and olive oil in a heavy Dutch oven over medium heat. Add onions, salt, and sugar; stir to coat.
  • Cook 45 to 60 minutes, stirring every five minutes, until deeply mahogany and reduced to about a quarter of their volume. Add a splash of water and scrape if they stick.
  • Sprinkle flour over the onions and stir constantly for 2 minutes.
  • Add sherry, scraping the bottom of the pot. Simmer 2 minutes.
  • Add beef broth, Worcestershire, thyme, and bay leaf. Boil, then simmer uncovered 25 to 30 minutes. Remove bay leaf and thyme stems. Season to taste.
  • Toss bread cubes with olive oil and a pinch of salt. Toast at 375°F for 8 to 10 minutes.
  • Ladle into bowls, top each with a provolone slice and croutons. Broil 60 to 90 seconds if you want the cheese melted.

Equipment

  • Saucepan, Instant pot or dutch oven
  • Ladle

Notes

Caramelizing the onions is the whole recipe — an hour over medium heat, not fifteen minutes over high. The soup base keeps 4 days refrigerated and freezes 3 months; add cheese and croutons fresh at serving.

Nutrition

Serving: 1ServingCalories: 352kcalCarbohydrates: 35gProtein: 15gFat: 16gSaturated Fat: 8gPolyunsaturated Fat: 1gMonounsaturated Fat: 6gTrans Fat: 0.2gCholesterol: 28mgSodium: 1278mgPotassium: 1061mgFiber: 4gSugar: 11gVitamin A: 373IUVitamin C: 18mgCalcium: 226mgIron: 2mg