Clean, wash and cut the rhubarb into pieces. Bring to the boil with the juice and simmer covered over a low heat for about 5 minutes. Stir starch and about 2 tbsp. cold water until smooth. Bind the compote with it. Season to taste with 3-4 tbsp. sugar. Let cool down
Melt the butter and let it cool down. Beat eggs, 2 tablespoons sugar, vanilla sugar and 1 pinch of salt for 5-7 minutes until fluffy. Stir in butter and buttermilk. Sift the flour and baking powder on top and stir in briefly
Heat clarified butter in portions in a coated pan. Bake 12 pancakes from the dough in it until golden brown. Keep warm. Serve the pancakes with rhubarb. Decorate with almonds and icing sugar