- 1/2 cup butter
- 1 cup white sugar
- 1 egg
- 1 teaspoon vanilla extract
- 1 1/2 cups all-purpose flour
- 1 1/2 teaspoons ground cinnamon
- 1 teaspoon baking powder
- 1/2 teaspoon lemon zest
- 1/4 teaspoon salt
- 1/2 cup white sugar
- 1 tablespoon ground cinnamon
- 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.
- Preheat oven to 350 degrees F (175 degrees C).
- Stir 1/2 cup sugar and cinnamon together in a bowl; spread onto a flat surface.
- Divide dough into about 60 small balls. Roll balls in cinnamon-sugar mixture to coat. Arrange onto baking sheets.
- Bake in preheated oven until edges are lightly browned, about 10 minutes.