What is OPOS? OPOS is a scientific cooking technique designed to unchain you from the kitchen, cut drudgery and empower anyone to cook confidently. All OPOS recipes use One Pot & all cooking is done at One Shot. No steps. No supervision. No fear. With OPOS, all recipes from Malai Kofta to Mysorepak are easier and faster than cooking instant noodles! The OPOS Story.