Double Chocolate-Marshmallow Cake

Directions

1. 1
   Heat oven to 350 degrees F.
2. 2
   Line 2 (9-inch) round pans with parchment paper; spray with cooking spray.
3. 3
   Beat first 5 ingredients in large bowl with mixer on low speed just until moistened.
4. 4
   Beat on medium speed 2 min.
5. 5
   ; pour into prepared pans.
6. 6
   Bake 30 to 35 min.
7. 7
   or until toothpick inserted in centers comes out clean.
8. 8
   Cool cakes in pans 10 min.
9. 9
   Loosen cakes from sides of pans with knife; invert onto wire racks.
10. 10
    Gently remove pans and parchment paper.
11. 11
    Cool cakes completely.
12. 12
    Microwave COOL WHIP and chocolate in medium microwaveable bowl on HIGH 2 min.
13. 13
    or until chocolate is completely melted and mixture is well blended, stirring after each minute.
14. 14
    Cool 5 min.
15. 15
    Meanwhile, cut each cake horizontally in half.
16. 16
    Stack cake layers on baking sheet, spreading 1/4 cup COOL WHIP mixture between each layer.
17. 17
    Spread top with remaining COOL WHIP mixture.
18. 18
    Top cake with marshmallows; broil 1 to 2 min.
19. 19
    or until marshmallows are golden brown.
20. 20
    Store leftover cake in refrigerator.