This is a fun and easy recipe you can make with children. They will love making and filling the thumbprint.
i teaspoon vanila
1 cup butter or margarine
2 egg yolks
1/2 cup brown sugar
2 cups flour
1/2 teaspoon salt
Any berry, jam or chocolate chips
Mix first 4 ingredients. Add flour and salt. Grease cookie sheet. Roll dough in balls. Place on cookie sheet and press down with thumb. Add berries, jam or chocolate chips to thumbprint. Bake on 350° for 8-10 minutes. Make 3 dozen.