Slice the onions. Cut the onions lengthwise, top to bottom, into thin slices. Do not dice them.
Cook the onions in oil. Add the onions and oil to the pan together and cook for a bit.
Add the tomatoes. Stir in the tomatoes.
Add the cabbage. Add well cut cabbage and cook.
Add a little water. Add just a bit of water to help it cook. It should not end up watery.
Finish and serve. Add thinly sliced green peppers and salt to taste, then serve.
Tikil gomen is the side that makes the meal. Serve it next to shiro wot or misir wot for a full vegan Ethiopian table. See more in our Ethiopian vegan food guide.