Cold Slaw - cooking recipe

Ingredients

1 head cabbage, chopped fine
1 c. cream
1 1/2 tsp. mustard
1 tsp. salt
1 Tbsp. butter
1 Tbsp. sugar
1 egg yolk, beaten lightly
1/2 c. strong vinegar

Preparation

Put all ingredients, except cabbage and vinegar in pan.
When boiled, add vinegar.
Stir well and pour over the cabbage.