Lettuce Salad - cooking recipe

Ingredients

2 small head leafy lettuce, wahed, dried, torn into bite-sized pieces, and chilled
1/2 cup light cream
2 tablespoons malt vinegar (or cider vinegar)
1/2 teaspoon dry mustard
1 teaspoon sugar
1 hard-cooked egg yolk, sieved
salt, pepper to taste
2 tablespoons minced chives

Preparation

Put lettuce in a salad bowl. Combine remaining ingredients, except chives; pour over lettuce; toss.
Serve at once garnished with chives.