Jam Shortbread Cookies

JAM SHORTBREAD COOKIES

1 c. shortening 1/2 c. granulated sugar 1/2 c. brown sugar 2 eggs 3 tbsp. milk 2 tsp. vanilla 2 2/3 c. sifted all-purpose flour 2 tsp. cream of tartar 1 tsp. soda 1/2 tsp. salt Favorite preserves Cream shortening and sugars; beat in eggs, milk, and vanilla. Sift together dry ingredients; add to creamed mixture. Chill 1 hour.On well-floured surface, roll half the dough at a time to 1/8 inch thick; cut with 2-inch cutter; cut small hole in center of half. Place 1/2 teaspoon preserves on each plain cookie; top with cut out one; seal edges. Bake on ungreased cookie sheet at 350 degrees for 10 to 12 minutes. Makes 42.