1 c. butter
1/2 c. sugar
1 whole egg
1 egg white
1/2 tsp. vanilla
2 3/4 c. all-purpose flour

Cream butter with sugar. Add whole egg, egg white, and vanilla. Beat until mixture is a light lemon color. Add flour and mix well. Form dough into 1 inch balls and place 2 inches apart on a lightly oiled cookie sheet. Flatten with a fork. Place a half of a pecan on top. Bake in preheated 350 degree oven for 10-15 minutes or until lightly browned.