For the vanilla sauce, stir 1 tablespoon of starch and 100 ml milk until smooth. Put 25 g sugar, vanilla sugar, cream and 150 ml milk in a saucepan. Bring to the boil, stir in the starch and simmer for about 1 minute while stirring. Remove from the heat. Mix egg yolks with some hot vanilla milk and stir into the remaining milk.
Cover sauce with foil and let it cool down. Wash the grapes and pluck them from the panicles. Boil up grape juice and 1 tablespoon of sugar in a pot. Stir 1 tablespoon of starch with wine until smooth. Stir into the boiling liquid, simmer for 1 minute while stirring. Add the grapes and mix in. Cover with foil and let cool off. Put almonds in 4 small heaps on a piece of baking paper. Caramelise 100 g sugar in a pan until golden brown. Spread the caramel in spots on the almonds and allow to set.
Add the grapes and mix in. Cover with foil and let cool off. Put almonds in 4 small heaps on a piece of baking paper. Caramelise 100 g sugar in a pan until golden brown. Spread the caramel in spots on the almonds and allow to set. Serve the groats with the vanilla sauce. Decorate with the almond brittle