1986 Winner: Almond Thumbprint Cookies

• 1 pistachio nuts for (chopped garnish)
• 1 balls
• 400 gr confectioners sugar
• 250 gr sifted all-purpose flour
• 230 gr butter
• 230 gr butter with pastry blender until mixture resembles coarse crumbs
• 150 gr packed brown sugar
• 100 gr sugar
• 90 gr unblanched almonds (grated)
• 85 gr butter