Preheat the oven to 180°C

Cream the butter and sugar. You can use a hand mixer.

Add the egg. Vanilla essence is optional.

Sieve the flour and cornstarch together. Fold in until evenly mixed

Crush the cornflakes, I used my hand so it wasn't too fine.

Mix in the cornflakes and chocolate chips

Pinch the dough to make 1 cookie. No need to roll.

Insert the tray in the middle rack and bake for 15 minutes.

Once ready, take out to cool