Blue Cheese-Mushroom Stuffed Tenderloin Recipe: How to Make It

Ingredients

• 2 tablespoons butter
• 1/2 pound sliced baby portobello mushrooms
• 1 tablespoon Worcestershire sauce
• 3 tablespoons horseradish mustard or spicy brown mustard
• 1 tablespoon coarsely ground pepper
• 1 tablespoon olive oil
• 1 teaspoon salt
• 1 beef tenderloin roast (4 pounds)
• 3/4 cup crumbled blue cheese, divided
• 1-1/2 cups french-fried onions
• Additional french-fried onions, optional