For the Sacher cake made with wholemeal spelt flour, separate the eggs. Beat the egg whites with a pinch of salt until stiff. Beat the egg yolks, vanilla sugar, powdered sugar and melted butter until fluffy.
Mix in the melted cooking chocolate, rum and wholemeal spelt flour. Carefully fold in the beaten egg whites. Spread into a greased and floured cake pan (diameter 20 cm).
Bake at medium heat. Let cool, cut in the middle and spread with apricot jam. For the glaze, melt the coconut oil and melt the cooking chocolate in it.
Refine with cherry liqueur and spread over the cake.