Preheat oven to 350°F. In large mixing bowl beat together shortening, butter, peanut butter and sugar until light and fluffy; add egg and vanilla. Combine flour, baking soda and baking powder; blend into creamed mixture. Stir in nuts and "M&M's"(r) Milk Chocolate Mini Baking Bits. Drop
by rounded teaspoonfuls onto ungreased cookie sheets. Bake 8 to 10 minutes
or until light golden. Let cool 2 minutes on cookie sheets; remove to wire racks to cool completely. Just before serving, spread 1/2 teaspoon jam on bottom of one cookie; sandwich with second cookie. Store in tightly covered container.