Mix grape seed oil and powdered sugar using a whisk.

Add the egg and mix well.

Prepare coffee extract by mixing 0.5 tbsp instant coffee with 1 tbsp hot water, then add it to the mixture.

Add cake flour and baking powder, then fold the mixture using a spatula.

Add chocolate chips and mix until evenly distributed.

Scoop the dough onto a baking tray, leaving space between each scoop. Bake in a preheated oven at 200°C for 5 minutes.

Flatten the cookies using a mug or enamel cup, then bake at 180°C for 10 minutes.