Created by Fizzybrat on September 12, 2017
Step 1: Heat oven to 350°F.
Step 2: In large bowl, beat butter and sugar with electric mixer on medium speed until light and fluffy.
Step 3: Beat in vanilla and egg yolk until blended.
Step 4: On low speed, beat in flour, hazelnuts, cinnamon, cloves and salt.
Step 5: Shape dough into 1-inch balls.
Step 6: On ungreased cookie sheets, place balls 2 inches apart.
Step 7: Bake 10 minutes.
Step 8: Using end of handle of wooden spoon, press a well into center of each cookie.
Step 9: Fill each well with 1/2 teaspoon preserves.
Step 10: Bake about 10 minutes longer or until edges are light golden.
Step 11: Cool 2 minutes; remove from cookie sheets to cooling racks.