Butter chicken in under 6 minutes!Mutton biryani in 12 minutes!Aviyal in 5 minutes! The One Pot One Shot (OPOS) cooking technique is causing a revolution in the kitchen and has garnered a cult following of its own across the globe. OPOS simplifies cooking by deconstructing recipes, doesn't require any fancy equipment or massive prep and is both quick and healthy. Ingredients are layered in a pressure cooker, and the food cooks in its own juices at the highest possible heat in the shortest possible time. The Complete OPOS Cookbook, by culinary pioneer and OPOS inventor B. Ramakrishnan, features entire meal plans spanning regional and international cuisines and includes his bestselling recipes along with new ones.