ingredients 1 tablespoon vegan butter or oil (plus thickly sliced 1/2 red bell pepper, sliced 2 cloves garlic 1 vegan seitan steak, thinly sliced 2 tablespoons leftover steak marinade (from the seitan steak above) 1/2 cup melty stretchy gooey vegan nacho cheese (or other vegan cheese if preferred) 2 buns o