Orange blossom water-pistachio madeleines

Spring seems to play hide and seek as it disappears again and again! I remember that during the winter holidays we had gorgeous warm weather. And now? Easter is knocking on the door and it is snowing! On such a depressing Monday, I had no other choice then to bake something that goes well with a nice cup of hot tea.
 

Ingredients:
for about 18 pieces

4 egg whites
130 g icing sugar
55 g flour
55 g ground pistachio
130 g butter
1 tablespoons orange blossom water

Preheat the oven to 180°C (do not use air circulation!). Beat egg whites until it gets liquid (just until the first signs of frothyness appear). In the meantime melt butter over low heat and let it cool. Sift flour and icing sugar to the egg white, add ground pistachio and orange blossom water and whisk everything together. Finally whisk in the molten butter. Pour batter into madeleine forms and bake for 10-15 minutes.