Baked German Potato Salad
["1 c. diced bacon (scant 5 oz.)", "1 c. chopped celery", "1 c. chopped onion", "3 Tbsp. all-purpose flour", "1 tsp. salt", "1/2 tsp. black pepper", "2/3 c. sugar", "2/3 c. cider vinegar", "1 1/2 c. water", "1/3 c. chopped fresh parsley", "2 tsp. celery seed", "2 qt. potatoes, boiled, peeled and sliced 1/8 inch thick (red ones are ideal)"]
["Fry bacon until crisp in medium skillet.", "Remove with slotted spoon and reserve.", "In there is not approximately 1/4 cup of fat left, add additional bacon fat or oil to make that amount.", "Add celery and green onion and cook over medium heat 3 to 4 minutes. Add flour, salt and pepper and cook 2 minutes longer.", "Add sugar, vinegar and water all at once and, stirring with a whisk, bring to boil and cook 1 minute.", "Add parsley, celery seed and reserved bacon and combine.", "Remove from heat."]
["bacon", "celery", "onion", "flour", "salt", "black pepper", "sugar", "cider vinegar", "water", "parsley", "celery", "potatoes"]