04Meanwhile, make the sauce: Melt 4 tablespoons butter in a small saucepan over medium heat. Add the remaining 1/2 cup sugar and cook, stirring, until lightly caramelized, 5 to 6 minutes. Whisk in the remaining 1 cup orange juice concentrate, 3/4 cup bourbon and the salt. Cook until thick, 10 to 15 minutes. Stir in the cream and simmer until the sauce coats a spoon, about 10 more minutes. Slice the bread pudding and drizzle with the sauce.