Chocolate Mint Cookies

Heat oven to 350 °F (175°C). Combine 1 cup sugar and butter in large mixer bowl. Beat at medium speed, scraping bowl often, until well mixed (1 to 2 minutes). Add cocoa, egg, vanilla, baking powder and baking soda; continue beating until well mixed (1 to 2 minutes). Reduce speed to low; add flour. Beat, scraping bowl often, until well mixed (1 to 2 minutes). Shape dough into 1-inch balls. Roll in 2 tablespoons sugar. Place 2 inches apart on ungreased cookie sheets. Bake for 9 to 11 minutes or until set. Quickly press 3 small mint candies on top of each cookie. Remove to cooling racks. Cool completely.