01 -
Heat oven to 350°F. Line baking sheet with parchment.
02 -
Cream butter and sugar until fluffy. Add egg, vanilla, zest.
03 -
Mix flour, salt, baking powder. Combine with wet ingredients.
04 -
Roll dough into balls, place on sheet.
05 -
Cook 10-12 minutes until edges golden.
06 -
Cool completely. Dust with powdered sugar if desired.