-
Preheat the oven
to 350°F/180°C/gas 4. Line two cookie sheets with
parchment paper and grease them with almond oil.
-
Sift the flour and salt into a medium bowl. Process 2/3 cup (100 g) of pistachios in a food
processor until finely chopped.
-
Transfer to a
large bowl and mix in the granulated sugar, candied
peel, and orange zest. Mix in the dry
ingredients.
-
Beat the egg whites in a large bowl
with an electric mixer at medium speed until frothy.
-
With mixer at high speed, gradually beat in the
superfine sugar, beating until stiff, glossy peaks
form. Mix in the pistachios.
-
Drop teaspoons of
the mixture 1 1/2 inches (4 cm) apart onto the
prepared cookie sheets. Sprinkle with the
remaining pistachios.
-
Bake for 10-12 minutes, or
until the cookies are lightly golden and the bottoms
are firm and just browned.
-
Dust with the
confectioners' sugar and let cool on the parchment. Transfer to racks to cool completely.