Churro Cupcakes with Cinnamon Mascarpone Frosting

INGREDIENTS

1 1/2 cups

all-purpose flour

1 1/2 tsp

cinnamon

1 1/2 tsp

baking powder

1/2 tsp

baking soda

1/2 tsp

salt

1/2

cup unsalted butter, at room temperature

1 cup

sugar

eggs, at room temperature

1 tsp

vanilla extract

1/2 cup

milk, at room temperature

1/2 cup

sugar

1 1/2 tsp

cinnamon

3/4 cup

dulce de leche

1/4 cup

sour cream

1 cup

heavy cream

8 oz

mascarpone cheese, room temperature

1/2 cup

confectioners' sugar, sifted

1/4 tsp

cinnamon