In a large bowl, beat shortening, brown sugar and peanut butter until blended. Beat in egg, applesauce and vanilla (mixture will appear curdled). In another bowl, whisk rice flour, potato starch, tapioca flour, baking powder, baking soda and salt; gradually beat into creamed mixture. Refrigerate, covered, 1 hour., Preheat oven to 375°. Shape dough into forty-eight 1-in. balls; place 2 in. apart on ungreased baking sheets. Bake 9-11 minutes or until slightly cracked. Immediately press a chocolate kiss into center of each cookie. Cool on pans 2 minutes. Remove to wire racks to cool.