For dressing, mix oil, flour, sugar, mustard, water, and vinegar in a large frypan. Cook over medium heat, stirring constantly until mixture comes to a boil. Mix ham, onion, green pepper, cucumber, and celery with dressing. Cook covered over medium heat until heated through, about 4 to 5 minutes. Stir several times during cooking.
Remove from heat. Toss gently with tomatoes and lettuce.
Garnish with cheese strips and egg slices.
Calories per 1-1/3 cup serving: About 230
Source: FOOD -- by U.S. Department of Agriculture Typed for you by Karen Mintzias