12 tbsp. butter
2/3 c. sugar
1 large egg
1/2 tsp. vanilla
1/2 tsp. peppermint extract
2 c. flour, sifted
1 tbsp. minced peppermint leaves

Cream butter and sugar; beat in egg and extract. Gradually add flour; stir in peppermint. Dough will be soft. Divide dough into three parts. Shape into plastic wrap into 1 1/4-inch diameter logs. Chill 1 to 2 hours. Slice into 1/4-inch rounds.

Bake on ungreased cookie sheet at 350°F for 10 minutes or until light golden brown.