1. Preheat oven to 170C (fan assisted mode)
2. Lightly beat an egg yolk and microwave at high for 30secs until cooked. (if you don’t have a MW oven, you can hard boil your egg and remove the egg yolk from the hard boiled egg)
3. While the egg yolk is still warm, press it through a fine mesh.
4. In a mixing bowl, whisk together, softened butter, Fleur de Sel until creamy. Add powdered sugar and cream until homogenous.
5. Lower the mixing speed and gradually add in the EVO.
6. Add in sifted plain flour and corn flour.
7. Fold in minced black olives.
8. Roll out dough between 2 sheets of cling wrap to 0.6-0.8cm thick. (Alternatively, you can roll the dough into a log)
9. Refrigerate to firm.
10. Cut dough using cookie cutter or slice log with a knife.
11. Bake at 170C for 12 minutes until brown.