Clementine shortbread

Clementine dust

1. Blend the clementine zest, sugar and vanilla together in a food processor.

Butter shortbread

1. Place the sugar and the flour in a food processor and pulse in the butter and vanilla until it resembles bread crumbles.
2. Bind it together with hands and kneed softly until smooth, cling film and leave to rest. Roll out on a floured surface, cut into desired shape, prick with a fork and bake in a hot oven 180c for about 6min until golden brown.
3. Remove from the oven, scatter the clementine dust and leave to cool and garnish with the segments.