Hot German Potato Salad
["2 Tbsp. margarine", "6 medium potatoes", "1/2 c. chopped onion", "2 tsp. sugar", "2 tsp. salt", "1 tsp. flour", "1/8 tsp. pepper", "1/2 c. water", "3 Tbsp. red wine vinegar", "parsley"]
["Heat unpeeled potatoes in water until boiling.", "Reduce heat to simmer for 20 to 30 minutes. Drain, peel and dice potatoes.", "In skillet over medium heat, melt butter and cook onion until tender. Stir in sugar, salt, flour and pepper until blended.", "Gradually stir in water and vinegar.", "Cook, stirring constantly, until mixture is slightly thickened and boiling.", "Gently stir in potatoes.", "Heat through.", "Garnish with parsley."]
["margarine", "potatoes", "onion", "sugar", "salt", "flour", "pepper", "water", "red wine vinegar", "parsley"]