French Onion Soup with Portobello Cheese "Toast"

Name: French Onion Soup with Portobello Cheese "Toast"
Prep time: 45 min
Total time: 45 min
Cuisine: European, Mediterranean, French
Ingredients: 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; 0.5 teaspoon ground pepper, divided; 2 tablespoons chopped garlic; 2 teaspoons chopped fresh thyme or 1/2 teaspoon dried; 0.25 cup dry sherry; 0.5 teaspoon salt; 4 cups unsalted beef broth; 0.5 cup shredded Gruyère cheese; 0.25 cup plain dry breadcrumbs; 1 tablespoon minced fresh chives

Instructions

Prep:45min

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.

Updated at: Thu, 03 Sep 2026 03:23:29 GMT