Still, most of the customers who stop by Chiya Chai’s kiosk are looking for it, said co-owner Saujana “Sunny” Shrestha, who sells food and beverages from his native Nepal and elsewhere in Southeast Asia. With limited equipment in the small riverfront space, he offers a pared-down menu of items that can be prepared beforehand at his Logan Square cafe — samosas, chicken masala pie, tofu rice bowl — and just four out of the 150 flavors of chai offered at his regular location.