Preheat oven to 350°. Grease 8-inch baking pan; set aside.
In large bowl combine flour, cocoa powder, baking powder, and salt; set aside.
In another large bowl with electric mixer beat egg whites with egg substitute until foamy. Beat in sugar and vanilla until slightly thickened. Gradually add flour mixture, then Promise® Buttery Spread and beat just until blended. Spread into prepared pan; sprinkle with pecans.
Bake 23 minutes or until toothpick inserted in center comes out clean. On wire rack cool completely. Just before serving drizzle with caramel sauce.
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