Preheat oven at 175 degrees celsius. Sieve all dry ingredients together, leave aside.
Beat vegetable oil, brown sugar, egg and vanilla together until evenly mixed. Add in all the dry ingredients and fold in the mixture carefully with a spatula. Continue folding until it has come into a sticky mixture. Fold in chocolate chips.
Portion mixture equally onto baking tray using 2 teaspoons. Pop into the oven for 8mins. Leave to cool before serving.