Ingredients

half a pint milk
approximately one cupful cold water
approximately two dessertspoonfuls plain flour (or cornflour)
a little sugar
a pinch of salt
a little rum (optional)

Method

Blend the flour with a little of the milk.
Heat the water and the remainder of the milk in a saucepan and pour the flour mixture into it.
Add salt, sugar and rum to taste, and then bring to the boil, stirring continuously.
Serve hot, with Christmas pudding.

Dowlais, Glamorgan.

Menyn melys (sweet butter) is the name given to this sauce in many districts in north Wales. Uwch-mynydd, Lleyn.