This Best-Ever Bread Pudding with Hot Buttered Rum Sauce is a rich, comforting Southern dessert featuring a golden, custard-soaked bread pudding studded with golden raisins, cinnamon, and pecans. Topped with a luxurious hot buttered rum sauce made from butter, sweetened condensed milk, brown sugar, and dark rum, this pudding is perfect for a cozy, indulgent treat that delights every palate.