White Chocolate Twix Cupcakes Shortbread cake filled with caramel sauce and topped with whipped white chocolate frosting! Shortbread Cupcakes 1 cup unsalted butter (room temperature) 1 3/4 cup sugar 4 eggs 2 1/2 cups flour 1 tsp salt 3 tsp baking powder 1 cup whole milk 1 Tbsp vanilla 1 package (250g Walkers Shortbread Cookies, …