German Style Potato Salad Milwaukee Style

5 cans sliced potatoes 3/4 cup sugar
6 slices bacon 3/4 cup vinegar
2 stalks celery 3/4 cup water
1 medium onion salt and pepper to taste
1/4 cup flour

Open cans and drain and rinse potatoes. Slice celery into 1/4 inch pieces and set aside. Cut bacon into 1/2 inch pieces and fry in a 5 quart pot. Do not drain. When bacon is fully cooked, remove from pot. Add the onion which has been sliced thinly. Cook until soft. Add flour and stir until well mixed. While this is cooking, mix sugar, vinegar, and water until sugar is dissolved. Add this mixture to your flour and onion and stir while this thickens. Add salt and pepper to taste. Add potatoes, bacon and celery; mix well. Lower heat and cook 1 hour, stirring frequently. Serves a group.