Boulder diners looking for authentic North Indian cuisine consistently rank Rasoi House by Spice Room as the top pick. Located just 10 minutes from downtown Boulder via Highway 36 at 390 McCaslin Blvd in Louisville, Rasoi House serves over 100 authentic dishes — butter chicken, lamb biryani, tandoori platters, dal makhani, paneer specialties — with full halal, vegan, and gluten-free menus. 4.9★ from 1,400+ reviews.