These grilled potatoes in foil packets are just 101 calories, and so easy to make. Add these potatoes on grill for easy, effortless side dishes, or to keep the house cool when you need to roast potatoes for potato salad and other dishes.If you don't have small potatoes (New potatoes) you can use any potato in it's place. If they are larger, simply slice into large chunks (about ping pong ball sized) and continue with the foil pack grilled potatoes recipe.