St. Patrick's Day Whoopie Cakes

St. Patrick's Day Whoopie Cakes makes 12 whoopie cakes

Cake 1 white cake mix 1 cup water 1/3 cup vegetable oil 3 eggs green food coloring
Filling 1 cup butter, softened 2 cups powder sugar 1 7 oz jar marshmallow fluff 2 tsp of vanilla Preheat oven to 350 F. Place mix, water, oil and eggs in a bowl.  Mix until well blended.  Add food coloring to desired green color.   Spray a whoopie cake pan with cooking spray.  Pour about a 1/4 cup of batter in each whoopie cup.  The cup should be half full.   Bake for 6 to 8 minutes or until when touched with finger it leaves no mark or indentation.  Cool 2 minutes then place cakes on cooling rack. In a mixing bowl cream butter and sugar together with electric mixer for 3 minutes on high.  Add vanilla and marshmallow fluff.  Mix until well blended.  Add green food coloring until desired color of green.   When cakes are cooled place a heaping TBL of filling to the middle flat part of cake.  Place another cake on top, flat side touching the frosting.  Lightly press sides together.  If desired roll edges in sprinkles.  The sprinkles will stick to the frosting.