Mix the margarine with salt and sugar until frothy

Add the egg and stir

Mix the flour and baking powder into a springform pan with a diameter of 20 cm. Core the apples and cut into thin wedges

Spread the natural yoghurt on the dough and press in the apple wedges like a fan. Finally, sprinkle the coconut flakes on top

Bake at 180 degrees top and bottom heat on the 2nd rack from the bottom for about 40 minutes