Defrost the raspberries, pass through a sieve. Stir in 30 g sugar and vanillin sugar. Soak gelatine in cold water. Wash the lemons. Grate the peel finely and squeeze the juice
Separate eggs. Beat egg yolks and 50 g sugar until creamy. Stir in champagne, juice and zest. Squeeze the gelatine, dissolve. Stir 2 tablespoons into the puree. Do not chill! Mix a little cream and the rest of the gelatine. Stir into the rest of the cream. Cool until it gels
Beat the egg whites and cream separately until stiff, fold in. Layer with the puree in a bowl. Cool for 5 hours