Christmas Croissant Pudding With Sour Cream And Brown Sugar Sauce

Ingredients

• 3 cups whole milk
• 1/2 cup (1 stick) unsalted butter
• 1/2 cup sugar
• 1 vanilla bean, split lengthwise
• 6 large eggs
• 1/4 cup all purpose flour
• 1 1/2 teaspoons ground cinnamon
• 1/2 teaspoon ground nutmeg
• 1/2 teaspoon baking soda
• 1/8 teaspoon salt
• 8 croissants (about 1 pound), torn into 3/4-inch pieces
• 1 cup pitted prunes, chopped
• 1 cup raisins, chopped
• 1/2 cup coarsely chopped almonds
• 1 tablespoon grated lemon peel
• 2 cups sour cream
• 1/2 cup (packed) golden brown sugar
• 1 tablespoon grated orange peel
• 1/2 cup brandy