1

Sift together dry ingredients- flour, baking powder and salt; set aside.

2

In a large bowl, beat butter and powdered sugar until light and fluffy. Add egg yolk and beat until blended. Add egg whites and eat well (mixture will look grainy). Gradually beat dry ingredients into butter mixture. Stir in peppermint candies.

3

Gather dough into a ball. Wrap dough in plastic and chill for about an hour.

4

Preheat oven to 350°F. Position rack in middle of oven. Line 2 large baking sheets with parchment, or spray with nonstick spray.

5

Form dough into 1-inch balls. Roll in powdered sugar and place on prepared baking sheets, spacing 2 inches apart. Using tines of a fork, flatten each cookie, creating crisscross pattern.

6

Bake until cookies are golden on bottom, about 20 minutes. Transfer to racks to cool completely.