French Onion Soup Stuffed Mushrooms

INGREDIENTS

• 2 Tablespoons Butter
• 2 whole Large Onions, Halved And Sliced Thin
• 1/4 cup Beef Broth
• 7 dashes Worcestershire Sauce
• Splash Of Red Or White Wine
• 1/2 cup Grated Gruyere Cheese (can Use Swiss)
• Kosher Salt
• 24 whole White Or Crimini Mushrooms, Washed And Stems Removed
• Minced Parsley