Ingredients.

Two and Half pounds runners.
one and half pints distilled vinegar.
one and half pounds onions.
10oz demerara sugar.
one level tablespoon turmeric.
two level tablespoons mustard dry.
two level tablespoons cornflour.

Method.

String beans and slice diagonally into three quarter inch.
Peel and slice onions.
Pour one pint of the vinegar into the pan, add runners and onions, then
cover and simmer for fifteen minutes until tender.
Blend cornflour, turmeric and mustard into a paste with a little of the
remaining vinegar.
Add to the pan with sugar and remaining vinegar.
Bring to the boil then reduce heat and simmer gently for ten minutes
stirring ocassionally.
Spoon into warmed jars and allow to cool before covering.

Enjoy.