Cupcakes

1 1/2 cups cake flour (or add 1 tablespoon cornstarch per 1 cup all purpose flour to make your own cake flour)
1/2 tablespoon baking powder
1/4 teaspoon salt
1/2 tablespoon cinnamon
1/2 cup butter, at room temperature
1 cup sugar
2 eggs
1 teaspoon vanilla
2/3 cup milk

Frosting

4 ounces cream cheese, at room temperature
4 tablespoons butter, at room temperature
4 1/2 cups confectioners’ sugar
1/4 cup milk
1 teaspoon vanilla
1/2 teaspoon cinnamon