Easy 4-Layer Bars

Directions

1. 1
   Heat oven to 375F.
2. 2
   Combine dry cake mix, butter and egg; spread onto bottom of 13x9-inch pan sprayed with cooking spray.
3. 3
   Bake 16 to 18 min.
4. 4
   or until toothpick inserted in center comes out clean.
5. 5
   Top immediately with remaining ingredients.
6. 6
   Bake 2 min.
7. 7
   or until marshmallows begin to melt.
8. 8
   Cool completely before cutting into bars.