These hearty raw vegan portobello mushroom caps get smothered in an ultra rich, gooey cashew cheese sauce for the ultimate meat-free burger experience. The large mushroom caps provide a meaty, savory base while the zesty cashew cheese is blended with sun-dried tomatoes, fresh herbs and spices for massive flavor. Piled high with crisp lettuce, juicy tomato, grilled onions and creamy avocado slices.