German Potato Salad

8 potatoes- cooked, slice
Add onion, gr pepper, celery and pimentos, salt and peper.
5 slices bacon cut fine- fry until well done- slow.

Add 2 Tbls flour, 1/2 c vinegar, 1/2 c water, 4 c sugar, salt and pepper
Cook until thickened. Pour over potatoes.