For the cake:
1 cup toasted walnut halves
1 ½ cups cake flour
2 teaspoons baking powder
1 ½ teaspoons baking soda
½ teaspoon salt
1 cup buttermilk
3 tablespoons canola oil
1 tablespoon vanilla extract
2 large eggs + 2 large egg whites, at room temperature
1 ½ cups Splenda® Granulated Sweetener
½ cup + 2 tablespoons nonfat dry milk powder
For the frosting:
1 tablespoon water
1 teaspoon vanilla extract
1 teaspoon unflavoured gelatin
2 large egg whites
½ cup low calorie maple flavoured syrup
1 teaspoon cream of tartar
Pinch of salt
⅓ cup light whipping cream