Measure sugar and dump into a large mixing bowl (or bowl of stand mixer).

Cut butter up into small chunks and drop on top of sugar. Beat with an electric mixer (or paddle attachment) until fluffy.

Add eggs and vanilla and mix to co bones, scraping sides of bowl if necessary.

Add salt and baking powder, and briefly mix together. (If using stand mixer, leave mixer on lowest speed.)

Slowly add flour until all is added and s dough has formed.

Dump dough onto cutting board or rolling surface, and knead until all loose crumbs are incorporated. Wrap in cling wrap until ready to use.