Stuffed Mushrooms | Loaded Italian Stuffed Mushroom Recipe just like Zios Italian Restaurants Appetizer from MamaPlusOne. These are so simple to make, and delicious, too! Perfect starter, appetizer, side dish, or standalone meal. If you love Italian food, youll love these stuffed mushrooms. Swap sausage for the pepperoni, or cut out the meat altogether for a meatless vegetarian dish youll all love!