Servings: 2 dozen

½ cup butter, softened ½ cup butter, softened
¼ cup packed brown sugar ¼ cup packed brown sugar
1 egg 1 egg
½ teaspoon vanilla extract ½ teaspoon vanilla extract
1 cup all-purpose flour 1 cup all-purpose flour
¼ cup finely chopped walnuts ¼ cup finely chopped walnuts
⅔ cup any flavor fruit jam ⅔ cup any flavor fruit jam
¼ teaspoon salt ¼ teaspoon salt

Preheat oven to 325°
Step1
Line baking pans with parchment paper.
Step 2
Separate egg, reserving egg white. Cream butter or margarine, sugar, and egg yolk.
Step 3
Add vanilla, flour and salt, mixing well.
Step 4
Shape dough into balls. Roll in egg white, then walnuts. Place on cookie sheets about 2 inches apart. Bake for 5 minutes.
Step 5
Remove cookies from oven. With thumb, dent each cookie. Put jelly or preserves in each thumbprint. Bake for another 8 minutes.