True Bistro!

Life Alive in Salem and Organic Cafe in Beverly

Adeas kitchen in salem

Bayberry cafe in Woburn

Zhu in Arlington is an all vegan chinese restaurants where they cook all traditional american-chinese food with seitan, soy protein and tofu as meat alternatives. Further north of this, I dont know of any full vegan restaurant.

Upvoted, both amazing choices.

So good

Red Lentil in Watertown

Also Udupi Bhavan in Lowell and Ritu ki Rasoi in Burlington - both Indian vegetarian restaurants

Edited for typo

Umm hey! Im good friends with the owner. They all just moved back to Israel, so im not sure they are still open. Just a fyi

There's also a Life Alive in Lowell. I think it was their first location.