Put the slices of vegan bread in the toaster and set for gloden brown. While vegan bread is toasting, slice the tomato into medium-thin slices When vegan bread is done, put margarine on both slices (optional) and put Nayonnaise on the top piece. Then layer the tomato slices on top of the bottom piece of vegan bread. Sprinkle vinager then salt on the tomato slices to taste. Place top slice of vegan bread on and enjoy!