Mix flour, green tea powder, BP, Bsoda and salt in a bowl, set aside

Melt white choc and butter in microwave for 45 secs

Whisk eggs, sugar and butter flavoring, whisk in melted chocolate

Add in dry ingredients until completely combined

Let it rest on counter for 10 mins

Place sugar on a plate, and icing sugar on another plate

Preheat oven to 325 F

Line baking pan/sheet with parchment paper

Using ice cream scooper/cookie dough scooper, scoop dough and drop on sugar, coat evenly, then drop it on icing sugar and coat

Place dough on pan and give enough space in between

Bake for 12 mins

Cool in pan for 5 mins, then move to rack