Blondies

1 cup all-purpose flour
3 whole sheets cinnamon graham crackers, ground
1 ½ teaspoons baking powder
½ teaspoon salt
1 ¼ cups packed brown sugar
1/3 cup canola oil
3 egg whites
2 teaspoons vanilla extract
1/3 cup chocolate chips
Preheat oven to 350°. Line an 8 inch square pan with foil; coat with cooking spray. Combine flour, cracker crumbs, baking powder and salt; set aside. At medium-high speed, beat sugar and oil until combined. Beat in egg whites and vanilla. At low speed, beat in flour mixture. Stir in chips. Pour into pan. Bake 50 minutes, or until toothpick comes out clean. Cool uncut blondies completely on wire rack; cut into squares.