180 gr cold butter - cut to small cubes
225 gr' plain flower
50 gr' almond flower
50 gr' sugar powder
1 egg yolk
2 Tb. very cold water
In a foodprocessor combine the butter+flowers+ sugar powder use the pulse button untill you get small crumbs. Add the yolk and the water and continue working JUST till u get a ball.
Take it out wrape it and let it rest in the fridge at least an hour, before using it.