Slice the onions and peppers into medium size slices, slice the seitan into medium long slices
In a skillet, heat the oil on medium-high heat, add the onions and peppers, saute until soft
Add the seitan and the soy sauce, saute for 4 minutes, add a drizzle of lemon
Add the vegan mayonnaise, mix until all combined.
Serve it with warm bread and your favorite vegan cheese.