Portobello Mushroom Sandwich Posted by plantstrongblog on May 30, 2016May 30, 2016 No access to a grill so sauté the mushrooms in Vegtable stock with salt pepper and garlic. Toasted 21 grain bread from Daves Killer bread. Black bean hummus. And assorted fresh vegetables . Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading...