Nutmeg Sugar Tops

• 2 on lined cookie (inches apart)
• 1 3/4 rounds
• 3/8 thickness
• 220 gr all purpose flour
• 190 gr butter (unsalted)
• 160 gr cake flour
• 130 gr powdered sugar
• 4 gr nutmeg
• 1 gr baking powder
• 1 ml cream of tartar