yes it's all vegan. There's no use of dairy, or eggs (in the vegetarian options). The veggies almost taste like Indian dry curries. They also use similar pulses (dals). It's the berebere that makes the difference!

Here's a bit of info on what goes into the vegetarian options (which are quite same regardless of which restaurant you go to). It also lists restaurants around the world. http://www.ethiopianrestaurant.com/vegetarians.html