In a 1 gt. microwave safe bowl, combine the caramels, chocolate chips, milk and butter. Microwave, uncovered, on high for 2 minutes; stir 1-2 minutes longer or until the caramels are almost melted; stir until smooth. Serve warm if desired over ice cream (sauce will thicken upon standing) Refrigerate leftovers.
Makes 2 cups.
Not a NESTLÉ®-tested recipe.