This is the quickest, easiest butterscotch sauce recipe ever. Ready to serve in 15 minutes, this melty butterscotch topping is sure to add some sweetness to any dessert! Serve warm on ice cream for a tasty butterscotch sundae!
In a medium saucepan combine butter, half-and-half, granulated sugar, and brown sugar. Cook and stir over medium heat for 5 to 8 minutes or until mixture is slightly thickened and just comes to a full boil. Stir in vanilla. Serve warm. (Cover and chill any leftovers for up to 3 days. Reheat before serving.)