Bread Pudding with Dates and Orange Whiskey Sauce

Name: Bread Pudding with Dates and Orange Whiskey Sauce
Ingredients: 4 cups whole-grain bread cubes (from about 4 to 5 pieces of sandwich bread); Unsalted butter, for buttering the baking dish; 2 1/4 cups reduced-fat (1 percent) milk; 1/3 cup granulated sugar; 1 teaspoon finely grated orange peel; 1/2 teaspoon ground cardamom or cinnamon; 4 large eggs, beaten; 1/3 cup chopped dates; 1 1/4 cups whole milk; 3 tablespoons brown sugar; 2 tablespoons freshly squeezed orange juice; 1 tablespoon cornstarch; 5 tablespoons whiskey or bourbon; 1 tablespoon unsalted butter; Pinch salt