Put the flour and nuts in a bowl. Cut butter into cubes and add. Knead with your hands until the mixture takes on the structure of bread crumbs. Add 2 tablespoons of sugar. Separate the egg. Press a hollow into the middle of the dough. Add the egg yolk and 3 tbsp. water. Knead to a smooth dough. Cover the dough and let it rest in the fridge for about 30 minutes
Wash and clean the gooseberries. Roll out the dough to a large circle (approx. 30 cm Ø). Place on a baking tray lined with baking paper. Brush the surface with egg white
Mix the gooseberries and 3 tbsp. sugar and pour onto the dough, leaving about 5 cm of edge free. Fold the rim towards the middle over the gooseberries. Spread the rim with egg white. Sprinkle the edge and gooseberries with 1 tbsp. sugar. Bake in the preheated oven (electric cooker: 200°C / fan oven: 175°C / gas: see manufacturer) for approx. 35 minutes until golden brown
Waiting time approx. 40 minutes