Clean, wash and cut the rhubarb into 2 cm long pieces. Separate 2 eggs. Beat the fat until frothy. Add 125 g sugar, vanillin sugar, salt, 1 egg and 2 egg yolks and mix. Mix flour, cornstarch and baking powder and stir in.
Add cinnamon and cloves. Grease a springform pan (26 cm Ø) and smooth down the dough. Spread rhubarb pieces on it. In a preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for approx. 45 minutes.
bake. In the meantime, beat the egg whites until stiff, gradually adding the remaining sugar. Add honey and mix. Spread the beaten egg white mixture on the rhubarb and bake for another 15 minutes.
Let the cake cool down and serve with whipped cream if desired.