After I enrolled at Glenrothes Technical College this was one of the very first things I was taught by Dave Bryson. He was the head baker and confectioner at a famous bakery in Fife, and a great inspiration to me in my younger days.
Put the coconut purée or coconut milk and invert sugar in a saucepan and bring to the boil. Gradually pour this over the white chocolate in a mixing bowl, stirring continuously to form an emulsion. Mix in the toasted coconut. Pour the coconut ganache into a 28 × 35cm (11 × 14 inch) deep-sided baking tray (sheet) lined with silicone (baking) paper. Leave to set overnight