Cut Upton's Naturals into 1/8" strips. No worries, if they become small chunks. In a bowl, coat with the gyros ingredients and mix. Add mushroom broth to a hot sautee pan and add coated seitan. Cook. When fully warmed and cooked, put on low.
Warm Pita. Mix Tzatziki Sauce ingredients. Put aside. Take plant-based gyros off heat and put on warm pita. cover in Tzatziki sauce and tomato and onion...and let Elysabeth know if your family can tell the difference besides feeling lighter and healthier than usual after eating gyros!