Indian vegetable stew with toasted chickpea flour sauce (karhi)

The first step involved making a roux from chickpea flour (besan). Recipe from Madhur Jaffrey’s World Vegetarian: More Than 650 Meatless Recipes from Around the World https://www.amazon.com/dp/0609809237/ref=cm_sw_r_sms_api_qGKsxb7PACSFP (May 2016)