Preheat oven to 375 degrees. In a large bowl beat butter and egg with an electric mixer on medium to high speed for 30 seconds. Gradually beat in cake mix until combined; stir in cornmeal and lemon peel. Using 1 Tbs. of dough for each cookie, roll into 1-inch balls. Roll in sugar.

Place 2 inches apart on ungreased cookie sheets. Bake for 9-10 minutes or until bottoms are lightly browned. Let cool on cookie sheet for 1 minute. Transfer to wire rack. Cool completely.