1 Portobello Mushroom 2 Burger Buns 1 Tbsp of Olive Oil 1/8 Tsp of Red chilli Flakes 1/2 Tsp of Garlic Powder Dash of Salt and Pepper Dash of Italian Seasoning (Opt) 2 Tbsp of Mayonnaise / Vegennaise Squeeze of Yellow Mustard 1 Iceberg Lettuce 2 White / Red Onion, Thick Slices 4 Tomato, Slices Other Ingredients Strips of Carrot