Separating eggs. Beat the egg whites and 2 tablespoons of cold water with the whisks of the hand mixer until stiff. Add salt and 75 g sugar. Stir in egg yolks. Mix flour, starch and baking powder. Gradually sieve over the egg mixture and carefully fold in. Spread evenly on a baking tray (32 x 39 cm) covered with baking paper.
Bake in a preheated oven (electric range: 175 °C/ convection oven: 150 °C/ gas: level 2) for 12-15 minutes. Then turn out on a damp tea towel sprinkled with sugar, remove baking paper. For the filling, soak gelatine in cold water. Wash and clean the strawberries and puree them with a blender, except for 9 medium-sized strawberries for decoration and approx. 150 g for chopping. Coarsely chop 150 g strawberries. Mix sour cream, strawberry puree, lemon juice and 4 tablespoons of sugar. Whip 250 g cream and 1 packet of vanillin sugar until stiff. Squeeze the gelatine, dissolve lukewarm and stir in 2 tablespoons of sour cream. Quickly stir the gelatine into the rest of the cream. Chill for 10-15 minutes and allow to set lightly, fold in the cream and chopped strawberries. Line 6 small bowls (approx. 200 ml content) with sponge cake. Cut out 6 circles the size of the base for this. Cut the rest of the sponge cake into strips (strip width = height of the bowls). Line the edges of the bowls with it, cutting them slightly.
Squeeze the gelatine, dissolve lukewarm and stir in 2 tablespoons of sour cream. Quickly stir the gelatine into the rest of the cream. Chill for 10-15 minutes and allow to set lightly, fold in the cream and chopped strawberries. Line 6 small bowls (approx. 200 ml content) with sponge cake. Cut out 6 circles the size of the base for this. Cut the rest of the sponge cake into strips (strip width = height of the bowls). Line the edges of the bowls with it, cutting them slightly. Pour the strawberry cream into the bowls and chill for about 1 hour. Then turn out of the bowls. Whip 250 g cream and 1 packet of vanilla sugar until stiff. Spread the tartlets with cream. Cut the remaining strawberries into slices or halve them. Decorate the tartlets with them. Sprinkle with pistachios
Pour the strawberry cream into the bowls and chill for about 1 hour. Then turn out of the bowls. Whip 250 g cream and 1 packet of vanilla sugar until stiff. Spread the tartlets with cream. Cut the remaining strawberries into slices or halve them. Decorate the tartlets with them. Sprinkle with pistachios
1 1/4 hours waiting time