Halve 3 grapefruits and squeeze the juice. Let the juice boil down to about 150 ml in a pot. Pour the juice into a bowl and let it cool down lukewarm
Soak gelatine in cold water. Mix curd, honey and reduced juice. Squeeze the gelatine and melt it in a small pot. Stir in 2 tablespoons of cream, then stir into the rest of the cream. Chill the cream for 15-20 minutes until it starts to gel. Whip cream until stiff and fold into the cream. Whip the egg whites until stiff, adding icing sugar. Fold the beaten egg whites into the cream as well. Fill the cream into small bowls and chill for at least 2 hours
Peel 1 grapefruit so that the white skin is completely removed. Cut 1/2 grapefriut into thin slices, the other half finely diced. Decorate the cream with grapefruit and lemon balm before serving
waiting time approx. 3 hours