INGREDIENTS
1
box Chocolate cake mix
1
Egg
1/4 cup
Vegetable oil
1/4 cup
Buttermilk
3/4 cup
Starbucks Hot Cocoa (your favorite flavor)
1 cup
Chocolate (finely chopped)
1/4 cup
Heavy Cream
16 oz
Marshmallows ( for garnish)
1 cup
Butter (room temperature)
10 oz
Marshmallow fluff
1/2 tsp
Vanilla extract
2 cups
Confectioner's sugar