In a large bowl, cream the shortening, peanut butter and sugars until light and fluffy. Beat in egg and vanilla. Combine the dry ingredients; gradually add to creamed mixture and mix well. Stir in apple.
Drop by rounded tablespoonfuls 2 inches apart onto greased baking sheets. Bake at 375° for 10-12 minutes or until golden brown. Cool for 5 minutes before removing to wire racks. Yield: about 2-1/2 dozen.