Hot German Potato Salad
["5 slices bacon, chopped", "1/2 c. onion, chopped", "2 Tbsp. flour", "4 tsp. sugar", "1 tsp. salt", "3/4 tsp. celery seed", "1/2 tsp. black pepper", "1 c. water", "1/3 c. vinegar", "2 tsp. Dijon mustard", "2 lb. boiled potatoes, peeled and sliced"]
["Combine bacon and onion; cook until bacon is crisp and onion is tender.", "Stir in flour, sugar, salt, celery seed and pepper. Add water, vinegar and mustard.", "Cook and stir until bubbly, 5 to 7 minutes.", "Slice potatoes and layer in a crock-pot, alternating potatoes and sauce."]
["bacon", "onion", "flour", "sugar", "salt", "celery seed", "black pepper", "water", "vinegar", "mustard", "potatoes"]