Preheat the oven to 200° circulating air. Beat the eggs and 80 g sugar until creamy. Fold in flour and starch. Put into a springform pan and bake for about 10 - 12 minutes. Let it cool down. Put a cake ring around the base.
Soak the gelatine in some water. The cream with the van. Whip the sugar until stiff. Fold in the yoghurt. Puree the strawberries with 4 tbsp. sugar and the lemon juice and also stir in. Dissolve the gelatine.
First stir 2-3 tablespoons of cream mixture into the gelatine. Then stir everything into the cream.
Pour the cream-strawberry mixture onto the base and leave to cool overnight.