Valentine Cookies

  cup  unsalted butter (227g, unsalted, room temp)

  cup  granulated sugar (234g)

  eggs

  cups  all-purpose flour  (500g, sifted)

  cup  cornstarch (80g, sifted)

  teaspoon  kosher salt (4g)

  tablespoon  vanilla extract (15mL)

  cup  pink sanding sugar (50g)

few drops pink food coloring