1 - Peel and cut potatoes in cubes, boil in salted water until tender.

2 - Chop peppers and onion and set aside.

3 - Mix together mayonnaise, mustard, sugar and black pepper and set aside.

4 - Drain potatoes once tender and place in large mixing bowl.

5 - Add remaining ingredients and mix well.

6 - The salad may be served warm, but is normally served after it has been refrigerated for 2 to 3 hours.