Gingerbread Cupcakes With Cream Cheese Frosting

Ingredients : 5 tablespoons unsalted butter softened ½ cup white sugar ½ cup unsulfured molasses 1 egg 1 egg yolk 1 ¼ cups all-purpose flour 1 tablespoon Dutch process cocoa powder 1 ¼ teaspoons ground ginger 1 teaspoon ground cinnamon ½ teaspoon ground allspice ½ teaspoon ground nutmeg ¼ teaspoon salt 1...