2
Cut potatoes in half. If necessary, cut thin slice from bottom of potato halves to level. With small spoon or melon baller, scoop out center of cooked potatoes, leaving 1/8-inch shell. Place scooped out potato (not shells) in small bowl. Add 1 teaspoon chives, thyme, salt, garlic powder, sour cream, margarine and milk; mash until smooth.