Knead flour, baking powder, 50 g grated coconut, 80 g sugar, yoghurt, salt and butter in pieces first with the dough hooks of the hand mixer, then with your hands to a smooth dough. Cover and refrigerate for about 30 minutes.
Sort the blackberries and mix them with the remaining sugar in a bowl. Cover and likewise refrigerate for about 30 minutes.
Place the blackberries in a rectangular, ovenproof dish (approx. 17 x 25 cm) and spread evenly. Form approx. 18 balls of the same size from the dough, flatten them slightly and spread them on the blackberries.
Bake the cobbler in a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see manufacturer) for approx. 30 minutes until golden brown. Take out and bake with