Cold German Potato Salad
["3 cans or 3 lb. potatoes, cooked and sliced", "2/3 c. mayonnaise", "6 Tbsp. vinegar or to taste", "2/3 c. diced celery", "6 Tbsp. chopped onion", "2 Tbsp. pimiento", "2 tsp. salt", "1/4 tsp. pepper", "1 tsp. dry mustard", "1/2 tsp. sugar", "8 slices bacon, cooked and crumbled", "parsley"]
["Slice potatoes thinly.", "Combine mayonnaise, vinegar, salt, dry mustard, sugar and pepper into dressing.", "Pour over potatoes, celery, onion and pimiento; mix.", "Top with crumbled bacon and parsley; chill well.", "Serves 8 to 10."]
["potatoes", "mayonnaise", "vinegar", "celery", "onion", "pimiento", "salt", "pepper", "dry mustard", "sugar", "bacon", "parsley"]