Separate eggs. Heat the grated coconut, 90 g sugar, 2 tablespoons water, 1 pinch of salt and egg white in a saucepan while stirring (do not boil). Clean, wash and cut the rhubarb into slices of about 1 cm width. Cream fat, 1 pinch of salt, 125 g sugar and vanilla sugar with the whisks of the hand mixer. Stir in the egg yolks one by one.
Mix flour and baking powder and stir in alternately with the milk. First fill the dough, then the rhubarb and coconut mixture into the greased hollows of a mini box cake tin (hollows of approx. 220 ml content). Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for approx. 35 minutes. Let the cake rest in the trays for approx. 10 minutes, then carefully remove
Preparation time approx. 1 hour 10 minutes. waiting time approx. 10 minutes