French Onion Soup Stuffed Mushrooms

I made this easy French onion soup stuffed mushrooms recipe from The Pioneer Woman. Although they took a bit of time to make, they were worth it! My son and I are huge French onion soup fans, and I love stuffed mushrooms, so this recipe sounded really tasty! What’s not to love about tender, buttery mushrooms filled with caramelized onions and topped with gooey Gruyère cheese? These French onion soup stuffed mushrooms didn’t last long–my son and I finished the whole batch in minutes.

French Onion Soup Stuffed Mushrooms

Ingredients:

• 1 tbsp + 2 tsp butter, divided
• 1 red onion, diced
• 2 tbsp beef broth
• Splash of red wine
• 2-3 dashes of Worcestershire sauce, to taste
• Sea salt and freshly cracked pepper, to taste
• 12-14 button mushrooms, stems removed
• ¼ cup Gruyère cheese, shredded
• Fresh parsley, minced

How to Make French Onion Soup Stuffed Mushrooms:

In a medium skillet, melt 1 tablespoon butter over medium heat. Add the sliced onions and cook for 25 to 30 minutes, stirring occasionally, until very soft. Side Note: Add a little water to the onions if they get dry while cooking.

Add in broth, a splash of wine, and Worcestershire sauce. Cook for 5 minutes, or until the liquid is reduced. Season with sea salt and freshly cracked pepper, and set aside.

Preheat the oven to 325 degrees.

Melt 2 teaspoons of butter in a large cast-iron skillet over medium heat. Add mushrooms and cook for 2 minutes.  Season with sea salt and freshly cracked pepper to taste

Place mushroom caps face down in the skillet. Heap each cavity with sautéed mushrooms, then sprinkle Gruyère on top.

Bake for 10-11 minutes, or until cheese is melted and gooey.

Remove from the oven and top with fresh parsley. Serve immediately. Enjoy.