Potato Salad with splenda

2 1/2 lbs small red potatoes (all of equal size) or 2 1/2 lbs fingerling potatoes (all of equal size) 1/2 cup red radish , sliced thin 1/4 cup red onion ,[...]

2 lbs red potatoes, quartered 1/2 lb green beans , cut into bite sized pieces olive oil flavored cooking spray 1 medium chopped onion 1/4 cup Dijon mustard 3[...]