Vanilla Cupcakes With White Chocolate Cream Cheese And Mascarpone Frosting

Name: Vanilla Cupcakes With White Chocolate Cream Cheese And Mascarpone Frosting
Total time: 1 h 15 min
Yield: 12 servings
Ingredients: 7 3/4 tablespoons unsalted butter cubed, at room temperature; 1 dry pint caster sugar; 2 large eggs room temperature; 1 teaspoon vanilla extract; 1/2 vanilla bean seeds scrapped, optional; 8 tablespoons full cream milk; 1 dry pint all-purpose flour; 1/4 teaspoon baking powder; 1/8 teaspoon salt; 1/4 teaspoon baking soda; 9/16 cup cream cheese room temperature; 6 1/8 tablespoons mascarpone cheese room temperature; 6 1/3 tablespoons unsalted butter room temperature, cubed; 1 3/8 ounces icing /confectioner’s sugar; 1 teaspoon vanilla extract; 6 1/8 tablespoons white chocolate chopped, I use valrhona Ivoire 35% white chocolate