1/3 c. Italian dressing
7 med. potatoes, cooked and peeled
3/4 c. sliced celery
1/3 c. chopped green onions
4 hard boiled eggs, chopped
1 c. mayonnaise
1/2 c. sour cream
1 1/2 tsp. horseradish

Pour dressing over cooked, warm potatoes. Let set for 2 hours. Add remaining ingredients. Chill for 2 hours.