Ultimate Mushroom Burger Ingredients 1 Tbl Olive Oil, plus more for frying 2 (8 ounce) packages of slice fresh baby bella mushrooms ¼ of an Onion 1 Clove Minced Garlic ½ tsp Salt 1/8 tsp Pepper 1/3 C Rolled Oats ½ C Dried Panko Bread Crumbs Almond Milk ¼ C vegan Grated Parmesan-Style Cheese Vegan