Mushroom Swiss Cheese Burgers With Ground Beef, Salt, Cracked Black Pepper, Garlic Powder, Onion Powder, Rosemary Leaves, Red Pepper Flakes, Olive Oil, Cremini Mushrooms, Swiss Cheese, Burger Buns, Ranch Dressing, Mustard, Ketchup, Condiments, Mayonnaise, Purple Onion, Sliced Tomatoes, Arugula