French Onion Soup Stuffed Mushrooms Recipe

French onion soup stuffed mushrooms are a delicious and hearty appetizer that combines two classic dishes into one. These savory mushrooms are stuffed with a flavorful mixture of caramelized onions, beef broth, and Gruyere cheese, then baked to perfection.

Ingredients:

• 16 large mushrooms
• 2 tablespoons unsalted butter
• 1 large onion, sliced
• 1/4 cup beef broth
• 1/4 cup grated Gruyere cheese
• Salt and black pepper to taste