This Asian-style, grilled, vegan portobello mushroom burger is full of delicious umami flavor! It's lathered with Asian-style Guacamole, topped with a cool cucumber ribbon salad and crunchy carrot slaw. Healthy, delicious and really satisfying. AND totally vegan! #veganburger #portobelloburger #veganportobelloburger #portobellomushroomrecipes #portobello #vegan #veganburger #grilled #grilledportobello