1.Preheat oven to 350*. Spray an 8-inch square baking pan with vegetable cooking spray and set aside.
2.In a medium bowl, combine flour, cocoa, and salt. Mix well. In a large bowl, whisk together egg whites, egg, sugar, applesause, oil, and vanilla. Stir in flour mixture unil just blended; do not overmix. Por batter into prepared pan; sprinkle with walnuts.
3.Bake until just set and a toothpick inserted in center comes out clean, about 25 minutes.
4.Place pan on a wire rack and cool for at least 15 minutes. Cut brownies into squares and place on a serving plate.
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