1/3 cup milk
1 package active dry yeast
2 1/2 cups bread flour, plus more for dusting
2 large egg yolks, plus 2 eggs
3 tablespoons granulated sugar
Finely grated zest of 1 lemon
1 teaspoon salt
1/2 teaspoon freshly grated nutmeg
1 1/2 sticks unsalted butter, melted and cooled, plus more for greasing the bowl
Filling and Glaze:
1/2 cup golden raisins
1/4 cup bourbon
3/4 cup packed dark brown sugar
2/3 cup toasted pecans, chopped
1 teaspoon vanilla extract
1 teaspoon ground cinnamon
2 teaspoons grated orange zest
1/4 teaspoon salt
1 dry bean or plastic King Cake baby (available at party-supply stores or mardigrasday.com)
1/2 cup confectioners' sugar
Purple, green and gold sanding sugar, for decorating