Chomp Deli

The Old Town's Chomp has a reputation for catering to vegetarians and their meat-eating buddies. Its sister deli retains the same soul. The rotating menu includes veggie soup, salad, sandwiches and lasagna.
133 Samsen Rd., 064-228-6220

Steps with Theera

This socially conscious endeavor offers training for people with special educational needs as well as food for people with dietary restrictions. You’ll find dishes that aren’t just vegetarian but also free of gluten, dairy products and soy.
29/8 Ekkamai Soi 10, 02-381-6590 (Thai), 086-582-1774 (Eng) 

Lilou Cafe

Run by the force behind Laliart, this cozy cafe goes for comforting, home-cooked vegetarian-only dishes made using available seasonal ingredients. You can expect the like of soups, rice and brunch dishes. 
The Yard Hostel, Phahon Yothin Soi 5, 089-142-8203