Brush tops with water; sprinkle with sanding sugar. (jennadish.com)
Before baking, I unwrap the logs and roll them in sanding sugar so all the cookies have a sparkly halo (you can also use sprinkles or chopped nuts). (bonappetit.com)
They're perfectly moist, thanks to the addition of buttermilk, and lightly sweetened with a touch of brown - rice syrup in the batter and a sprinkling of sanding sugar on top just before baking. (marthastewart.com)