Baked cookie for the first time and it's Salted Egg Yolk!

Simple ingredients used and into the oven for 8 minutes.... Salted Egg Yolk, Plain flour, Corn flour, Caster Sugar, Icing Sugar, Baking Powder, Unsalted Butter, Fine Salt, Milk Powder (optional).

Melts in the mouth and salted egg yolk after taste stays. Needs to monitor the cookie and ensure it doesn't gets burnt at the top & base.