80 g aged egg whites
25 g sugar
100 g ground pistachios
100 g icing sugar
100 g sugar
35 g water
for the mousse:2 egg yolks
70 g sugar
70 ml water
1 tablespoon orange blossom water
1 tablespoon lime juice
2 pinches of ground cardamom
2 gelatine sheets
250 ml heavy cream
Beat 40 g of egg whites with 25 g of sugar until it forms peaks. Meanwhile make the syrup: bring 100 g sugar with 35 g water to boil and as soon as it has reached 110°C remove it from the heat and add it to the beaten egg whites in a thin stream while beating constantly. Keep on beating until it has cooled down, this takes about 10 minutes. Stir the other 40 g of egg whites, unbeaten to the sieved pistachio-icing sugar mixture. Preheat the oven to 150°C. Pipe macarons onto a silicon sheet or a baking paper covered baking sheet. Bake macarons for 13-15 minutes depending on the oven or a few minutes longer if you make bigger ones.
For the mousse bring sugar with water to the boil, add orange blossom water, lime juice and ground cardamom. Pour syrup to the egg yolks and whisk it over steam until it become thick and foamy. Stir in the previously soaked gelatine and finally fold in the beaten cream. Pour it into a piping bag and chill for at least 2 hours, then fill the macaron shells.