1 cup butter
1/4 cup sugar
1 tsp. vanilla
2 cups all purpose flour
1/2 tsp. salt

Cream butter, sugar, add vanilla, flour, salt and mix well. Shape into balls (about 1 tsp. to form balls). Place on ungreased cookie sheet and indent center of balls with thumb. Fill with preserve.

Bake 10 to 12 minutes at 400°F oven.