Brioche Bread Pudding with White Chocolate and Cardamom

Name: Brioche Bread Pudding with White Chocolate and Cardamom
Ingredients: 1 teaspoon active dry yeast; 2 tablespoons granulated sugar; 1/3 cup warm whole milk (105 to 110 degrees F); 5 large eggs; 1 1/4 cups all-purpose flour; 1 1/4 cups bread flour; 1 1/2 teaspoons kosher salt; 2/3 cup (5 1/4 ounces) unsalted butter, cubed, at room temperature; 1 loaf brioche; 2 cups whole milk; 1 vanilla bean; 1 tablespoon whole green cardamom pods; 1 teaspoon whole pink peppercorns; 1/2 teaspoon ground nutmeg; 1/4 teaspoon ground cinnamon; 4 large eggs; 1/2 cup sugar; 1/4 cup sweetened condensed milk; 1 cup white chocolate chips; Confectioners' sugar, for serving