Cinnamon Lemon Cookies

Step 1
Beat butter and 1 cup sugar with an electric mixer in a large bowl until smooth. Beat egg and vanilla extract into the butter until completely blended. Add flour, cinnamon, baking powder, lemon zest, and salt; continue mixing until flour is just incorporated. Cover bowl with plastic wrap; refrigerate until firm, about 2 hours.

Step 2
Preheat oven to 350 degrees F (175 degrees C).

Step 3
Stir 1/2 cup sugar and cinnamon together in a bowl; spread onto a flat surface.

Step 4
Divide dough into about 60 small balls. Roll balls in cinnamon-sugar mixture to coat. Arrange onto baking sheets.

Step 5
Bake in preheated oven until edges are lightly browned, about 10 minutes.