Preheat oven to 350°F. Beat Crisco and sugar until fluffy. Beat in egg and vanilla. Add combined oatmeal, flour and salt. Mix well. Form 1 inch balls; roll in nuts. Place 2 inches apart on ungreased cookie sheet. Press centers with thumb; fill with preserves. Bake 12 to 15 minutes or until light golden brown. Remove to wire rack. Cool completely.