Mix egg, sugar and vanilla.
Melt butter but leave to cool for one minute before adding to egg mixture.
Mix all together. Add salt.
Fold in flour with baking powder, cinnamon and clove powder.
Add in zucchini by hand.
If the dough feels too runny, add a bit more flour.
Add 1 cup of chocolate chips or raisins if desired.
Chill in the fridge for half an hour to one hour.
Spoon onto parchment lined baking sheet.
Bake at 365F for 12 min.
Remove from oven and allow them to cool for 5 min before transferring to a wire rack.