From sugar 2 tbsp separate mixing of egg whites. The remaining sugar and the butter is broken down to the fluffy, add three egg yolks one by one, lemon zest, vanilla, flour, salt. Milk and lemon juice are added gradually. Whip foam with 2 tbsp sugar, add citric acid and broken snow. Added to the citric mixture slowly without stirring mixer until homogenized. Pour the mixture into 6 (incomplete) cups or forms custard, which rank in the pan and cover half with boiled water. Cream bake at 180 C 40-45 minutes until golden. Allow to cool with water. Cream may spill out and in one place and be prepared as pudding, cakes in shape.