2 c. flour
1/2 c. sugar
1 tsp. baking soda
1 tsp. salt
1/2 c. vegetable oil
1 lg. egg, separated
2 lg. egg whites
6 packets Sweet One (sugar substitute)
1 c. mashed very ripe bananas
1 (8 oz.) can crushed pineapple
1 tsp. vanilla
1 tsp. cinnamon
1/4 c. walnuts, finely chopped
1/4 tsp. cream of tartar

Preheat oven to 350 degrees. Spray a 10" tube pan with nonstick cooking spray.

In large bowl, sift together flour, sugar, baking soda, cinnamon and salt. In another large bowl, combine oil, egg yolk, bananas, pineapple and vanilla. Stir liquid ingredients into dry ingredients. Stir in walnuts.

In another large bowl, mix egg whites and cream of tartar with electric mixer at high speed until soft peaks form. Add Sweet One and continue beating until stiff but not dry. Fold egg whites into batter. Pour into the tube pan and bake for 50 to 60 minutes, or until toothpick comes out clean. Cool in pan on wire rack for 5 minutes. Remove, cool completely.