Cinnamon sugar shortbread cookie. (Photo, Sian Richards.)
Dress up a classic with a simple blend of sugar and spice.
1 1/2 cups
, at room temperature
PREHEAT oven to 350F. Position racks in top and bottom thirds of oven. Line 2 baking sheets with parchment.
STIR flour with salt in a medium bowl.
BEAT butter with 3/4 cup granulated sugar in a large bowl, using a wooden spoon, until smooth, 1 min. Gradually stir in half of flour mixture, until just combined. Add remaining flour mixture, kneading with your hands, until dough forms a ball.
STIR 1/4 cup granulated sugar with 1 tsp cinnamon in a medium bowl.
SCOOP dough and roll into 1-in. balls. Toss dough balls in cinnamon-sugar mixture until coated, then arrange on prepared sheets, 1 in. apart. Cookies will spread as they bake.
BAKE in top and bottom thirds of oven, switching sheets halfway through, until edges have set, 15 to 17 min. Leave on sheet for 5 min, then transfer cookies to a rack to cool completely.