Sweet Potato Cupcakes with Marshmallow Crème {Recipe}

INGREDIENTS

Sweet Potato Cupcakes:

2 cups

all-purpose flour

2 tsp

baking powder

1/2 tsp

baking soda

1/4 tsp

salt

1 tsp

cinnamon

16 tbsp

unsalted butter, softened

1 3/4 cups

lightly packed brown sugar

large eggs

heaping cups mashed sweet potatoes

7 tbsp

maple syrup

1 tsp

vanilla extract

Marshmallow Frosting:

1/2 cup

white sugar

1/4 tsp

cream of tartar

1 pinch

salt

egg whites

3 tbsp

cold water

1 tsp

vanilla extract

3/4 cup

marshmallow creme