German Potato Salad
["1 c. chopped onions", "1 Tbsp. margarine", "1/4 c. bacon grease", "1/2 c. Hellmann's real mayonnaise", "2 Tbsp. plus 1 tsp. white vinegar", "4 Tbsp. sugar", "1 tsp. salt", "4 large red potatoes, sliced and cooked", "2 Tbsp. chopped parsley", "4 to 6 slices crumbled bacon"]
["In large skillet over medium heat, cook onions in margarine and bacon fat 3 or 4 minutes.", "Stir in next 4 ingredients.", "Add potatoes; continue cooking, stirring constantly, about 2 minutes or until heated through.", "Do not boil.", "Add parsley and bacon. Cook about 1 minute longer."]
["onions", "margarine", "bacon grease", "mayonnaise", "white vinegar", "sugar", "salt", "red potatoes", "parsley", "bacon"]