Out of a Box: Big Fat Whoopie Pies, Gluten Free

INGREDIENTS

Gluten Free Dark Chocolate Cake Mix (I use Betty Crocker Gluten Free Devil's Food)

3 oz

butter (6 tablespoons)

eggs

5 oz

buttermilk (milk is fine, too but leave out the baking soda)

1 tsp

vanilla

1/4 tsp

baking soda (omit if using milk)

1 can

Betty Crocker fluffy white frosting (GF label only - on the back)

1/2

container of Marshmallow Fluff (about 3.5 oz)

1 tsp

vanilla