Mix 70g vegetable oil and 140g sugar in a bowl until well combined.

Add 1 egg at room temperature and mix well.

Sift 250g cake flour, 1/2 tsp baking powder, and 2/3 tsp baking soda into the mixture and mix gently in a folding motion until 80% combined.

Add 100g chocolate chips and mix until evenly distributed.

Shape the dough into 30g balls and place them on a baking tray.

Preheat the oven to 180°C and bake for 5–7 minutes. Remove and press the cookies gently with a spatula.

Return the cookies to the oven and bake for an additional 5–10 minutes, depending on your preference.