In a 32-ounce mason jar or storage jar, layer the white hot chocolate mix ingredients in the following order: sugar, pudding mix, milk powder, and grated white chocolate.
To prepare the hot chocolate mix for drinking, combine 2 cups of mix with 2 cups of water in a large saucepan. Stir over medium heat until the chocolate pieces are melted and the mixture is heated through. Makes 4 servings.