Mix butter and sugar with the whisk of the hand mixer for about 8 minutes until creamy. Add egg and stir in. Mix flour, salt, grated coconut and cranberries. Stir into the butter and egg mixture.
Place 10 biscuit heaps with plenty of space between them on 2 baking trays lined with baking paper. Bake the trays one after the other in a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for 15-17 minutes.