Chewy Chocolate-Orange Bars

Yield:	24 Servings
Categories:	Cookies, Snacks

2	c	Cake flour
3/4	ts	Baking powder
1/2	ts	Salt
1 1/2	c	Quick-cooking oats
1	c	Dark-brown sugar; packed
2		Egg whites
		Raisin Puree
3/4	c	Chopped bitttersweet Chocolate
1/3	c	Toasted walnuts; optional
1	tb	Grated orange zest