Preheat oven to 350 degrees. In a large bowl, beat egg whites until stiff. Fold in applesauce, half-and-half and vanilla. In a separate bowl, combine Splenda, flour, baking soda, spices. Fold dry ingredients into wet mixture. Fold in pineapple, cranberries and nuts. Spoon batter into non-stick mini-muffin pans greased with cooking spray. Bake 12-15 minutes. Remove, cool. Dust with confectioner’s sugar if desired.