4 or 5 med. potatoes
1 onion, chopped
1/4 c. chopped parsley
1/3 c. vegetable oil
1/4 c. vinegar
1/2 tsp. salt
1/4 tsp. white pepper
1/2 tsp. dry mustard
1/2 tsp. sugar

Peel and boil potatoes until tender, then slice in 1/4 inch slices. Combine remaining ingredients in skillet. Boil for 5 minutes. Add sliced potatoes and toss lightly. Serve hot.