Ainsley Harriott shows how herbs and spices can elevate any dish and take it from good to great, beginning with a lamb rogan josh packed with flavour.

Ainsley Harriott prepares dishes with a dash of sweetness, including Vietnamese caramel chilli chicken, and mustard and honey glazed beef and potato kebabs with horseradish dip. He also heads to Hampshire to take a stroll through the lavender fields and finds out how versatile the fragrant flowers are, then bakes a lemon drizzle and lavender traybake perfect for afternoon tea.