Ingredients

1 tablespoon sugar2 teaspoons all-purpose flour1/4 teaspoon ground mustardPinch salt1 egg, lightly beaten1/3 cup water1 tablespoon white vinegar3/4 cup mayonnaiseSALAD:5 large potatoes, cooked, peeled and cubed4 hard-boiled large eggs, chopped1 cup chopped celery1/4 cup chopped green onionsSalt and pepper to taste

Preparation

In a small saucepan, combine the sugar, flour, mustard and salt. Combine the egg, water and vinegar; stir into dry ingredients until smooth. Cook and stir until mixture reaches 160° and coats the back of a metal spoon. Remove from the heat; cool slightly. Stir in mayonnaise.

In a large bowl, combine the potatoes, hard-boiled eggs, celery, onions, salt and pepper. Add dressing; toss gently to coat. Refrigerate until serving.