1.
Trim the ends of the string beans and cut them in
half. Rinse and steam until
tender. Refrigerate until cold.
2. Place
the potatoes in water and simmer until cooked. Refrigerate until cold.
This should take about 5-6 hours.
3. Dice
the potatoes and place them in a large bowl. Add the string beans, onion,
olive oil, salt and black pepper. Gently toss to coat evenly. Next add
the vinegar
and lemon juice. Toss to coat evenly.
4. Keep the salad refrigerated until served.