Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
5         medium        unpeeled potatoes 
8         slices        bacon, crisply cooked and crumbles
3                       green onions, finely chopped
2         medium        stalks celery, finely chopped
1/2       cup           mayonnaise or salad dressing
1/4       cup           white vinegar
2         teaspoons     sugar
1         teaspoon      salt
1         teaspoon      ground mustard (dry)
1/4       teaspoon      coarsely ground pepper

Preparation:

Heat 1 inch water (salted if desired) to boiling in 3-quart saucepan. Add potatoes. Cover and heat to boiling; reduce heat to low. Simmer about 25 minutes or until almost tender; drain. Cut potatoes into 1/4-inch slices. Heat coals or gas grill. Mix potatoes, bacon, onions and celery in large bowl. Mix remaining ingredients; pour over potatoes and toss thoroughly. Place mixture in aluminum foil and grill 4 inches from medium heat 20 minutes, stirring once.