Knead a short pastry with flour, sugar, butter, and egg; adding a little milk if needed. Form ball and set in fridge 30 minutes.
For filling: Beat together the eggs and sugar until creamy. Fold in lemon rind, almonds, and cinnamon.
Roll out the pasty on a floured surface. Line a greased, loose bottomed pan with pastry. Prick with fork. Spoon in filling on top.
Bake in a preheated oven at 355 F/ 180 C for about 30 minutes until Golden brown.
Leave in pan to cool.
Once cool, transfer it to a serving plate, dredge with powder sugar before serving