1 ¼ cup all-purpose flour ⅓ cup sugar ¼ cup natural unsweetened cocoa powder dash of salt ½ cup cold butter, cut up 1 egg yolk 2 tablespoon cold water
Chocolate Buttercream
¼ cup softened butter 1 cup powdered sugar 3 tablespoon unsweetened cocoa powder 2 tablespoon milk 1 cup powdered sugar
