Thumbprint Cookies
                      Why I Love This Recipe
Ingredients You'll Need
                                     2/3 cup butter
                    
                                     1/3 cup white sugar
                    
                                     2 egg yolks
                    
                                     1 teaspoon vanilla extract
                    
                                     1/2 teaspoon salt
                    
                                     1 1/2 cups all-purpose flour
                    
                                     2 egg whites, lightly beaten
                    
                                     3/4 cup finely chopped walnuts
                    
                                     1/3 cup strawberry preserves
                    
                               
Directions
Preheat oven to 350 degrees.
Lightly grease cookie sheets, or line with parchment paper.
In a large bowl, cream together butter and sugar until light and fluffy.
Beat in egg yolks, vanilla, and salt.
Gradually mix in flour.
Shape dough into 3/4 inch balls.
Dip in lightly beaten egg whites, then roll in finely chopped walnuts.
Place 1 inch apart on prepared cookie sheets. Press down center of each with thumb.
Bake for 15 to 17 minutes, or until golden brown. Cool on baking sheet for 5 minutes, then remove to a wire rack to cool completely.
Just before serving, fill centers of cookies with strawberry preserves.