Mix flour with salt and baking soda, set aside.

Mix oil, butter, sugars till light n fluffy. Add in the egg and essence beat to combine.

Add in your dry ingredients and mix just until dough comes together. Dough will be very soft but wrap in plastic wrap and refrigerate for at least an hour.

Prepare your baking sheets with grease proof paper and preheat oven to 180degrees.

Bake until cookies are golden at the edges, approx 20mins. Cool for 5 mins on the tray then transfer on a rack. Store in an airtight container.