Get a block of Tofu cut it in one inch squares, marinate it in Soy & Teriyaki, throw in some minced fresh garlic and fat pinch of brisket rub.
Marinate at least an hour in a zip top bag, smoke on high heat until warmed through. Sear the cubes with a torch a hot grill.
Portebello Mushroom Caps, scrape out the gills with a spoon, marinate with olive oil, Soy, and brisket seasoning. Smoke on high heat until softened.