30-minute meals are all about efficiency - start with the most complicated element and finish with the simplest. First, chef Spencer Watts gives us some tips for a rustic Sweet Potato Rosti. Made with a blend of sweet yams, starchy potatoes, and acidic onion, Spencer leaves the Rosti to crisp up in a pan as he starts up his next dish. Spencer cooks up healthy Lemon Thyme Chicken Thighs, perfect for a flavoursome family dinner.