1.Wash hands with soap and warm water. Wash produce well.
2.Cube and boil potatoes in a large pot of water until tender, but still firm, about 30 minutes.
3.Drain pot set aside and allow to cool completely.
4.In a large bowl, stir together yogurt, lemon juice, dill, garlic, salt and pepper.
5.Finely chop cucumber and stir into yogurt mixture.
6.Gently fold in cooled potatoes.