1/2 c. butter
1 1/2 c. flour
1/2 c. sugar
2 eggs, separate yolks and whites
1 tsp. vanilla
1 c. pecans, chopped

In large bowl, beat butter with electric mixer on medium about 30 seconds. Add about half of flour to butter. Add sugar, egg yolks and vanilla. Beat until thoroughly combined. Stir in remaining flour. Cover and chill about 1 hour. Generously grease cookie sheet. Shape dough into 1-inch balls. Roll balls in slightly beaten egg whites, then in pecans. Place 1 inch apart on cookie sheet. Bake at 375 degrees for 10 to 12 minutes. To serve fill centers with strawberry preserves. Makes 42 cookies.