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French Onion Soup with Portobello Cheese Toast

Posted on Nov 28, 20

Roasted portobello mushrooms stuffed with cheese, herbs and breadcrumbs stand in for the traditional Gruyère toast you’d find on top of a crock of French onion soup.

Active:

45 mins

Total:

45 mins

Servings:

4

 

Ingredients

Ingredient Checklist

  • 4 tablespoons extra-virgin olive oil, divided
  • 2 tablespoons butter
  • 2 large sweet onions, sliced
  • 1 medium red onion, sliced
  • 4 medium portobello mushrooms, stems and gills removed
  • ½ teaspoon ground pepper, divided
  • 2 tablespoons chopped garlic
  • 2 teaspoons chopped fresh thyme or 1/2 teaspoon dried
  • ¼ cup dry sherry
  • ½ teaspoon salt
  • 4 cups unsalted beef broth
  • ½ cup shredded Gruyère cheese
  • ¼ cup plain dry breadcrumbs
  • 1 tablespoon minced fresh chives

Directions

Instructions Checklist

  • Step 1

Position racks in middle and upper thirds of oven; preheat to 450 degrees F. Coat a rimmed baking sheet with cooking spray.

  • Step 2

Heat 2 tablespoons oil and butter in a large pot over medium-high heat. Add sweet and red onions and stir to coat. Cover, reduce heat to medium and cook, stirring often and scraping up any browned bits, until golden brown, 25 to 30 minutes.

  • Step 3

Meanwhile, place mushrooms caps, gill-side up, on the prepared pan. Brush with 1 tablespoon oil and sprinkle with 1/4 teaspoon pepper. Roast on the middle rack until tender, 10 to 15 minutes. Remove from oven and preheat broiler to high.

  • Step 4

Add garlic and thyme to the onions and cook, uncovered, for 2 minutes more. Stir in sherry, salt and the remaining 1/4 teaspoon pepper; increase heat to medium-high and bring to a simmer. Cook, stirring often, until most of the liquid has evaporated, about 1 minute. Stir in broth and return to a simmer. Reduce heat and simmer for 10 minutes.

  • Step 5

Meanwhile, combine Gruyère, breadcrumbs, chives and the remaining 1 tablespoon oil in a small bowl. Divide the mixture among the mushroom caps. Broil the mushrooms until the filling is lightly browned, about 1 minute.

  • Step 6

Divide the soup among 4 bowls and serve topped with a mushroom “toast.”

Nutrition Facts

Serving Size: 1 1/2 Cups Soup & 1 “Toast”

Per Serving:

369.7 calories; protein 11.8g 24% DV; carbohydrates 25.1g 8% DV; exchange other carbs 1.5; dietary fiber 3.6g 14% DV; sugars 12.1g; fat 25g 38% DV;

 

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