Red Velvet Whoopie Pies

INGREDIENTS

2 cups

flour

1/2 cup

cocoa powder

1 tsp

baking soda

1/4 tsp

salt

8 tbsp

butter, at room temperature

1 cup

sugar

large egg

2 tbsp

red food coloring

1 1/2 tsp

vanilla

1 cup

buttermilk (you can make your own by adding 1 tablespoon lemon juice or vinegar to 1 scant cup of milk)

1 1/2 cups

powdered sugar

-ounce jar marshmallow creme

4 oz

cream cheese, at room temperature

2 tbsp

butter, at room temperature

1 tsp

vanilla