Who would guess one simple ingredient could change Duncan Hines Angel Food Cake into a chocolate lover's paradise. You may want to consider drizzling this Chocolate Marble Angel Food Cake with chocolate syrup for a finishing touch.
- Remove top rack from oven; move remaining rack to lowest position. Preheat oven to 350°F.
- Prepare batter following package directions. Remove half the batter into another bowl; set aside. Gently fold chocolate syrup into batter until blended. Alternate large spoonfuls of white and chocolate batters in ungreased 10-inch tube pan. Bake and cool following package directions.