Sift flour rubbed with butter, add sugar, cinnamon and yeast. Gradually pour the warm water and knead a soft elastic dough. Cover with foil, place in a warm place for an hour until it rises twice. Knead again roll out the cake of 25 cm, put on a greased baking sheet. Beat the eggs with the sugar, mix with ground almonds, zest and lime juice, cream, vanilla and sugar. Spread the mixture over the cake. Top with currants. Sprinkle with powdered sugar. Bake 30 minutes at 220 ° C until golden brown. There skyachchatu hot!