1/3 c. Italian salad dressing
6 c. hot potatoes, cooked & cubed
1/2 c. sour cream
2 tbsp. horseradish mustard
5 eggs, hard boiled
1 c. mayonnaise
1 c. celery, sliced
1/3 c. onion, chopped

Pour Italian dressing over hot cubed potatoes. Chill about 2 hours. Mix chopped celery, onions, eggs, mayonnaise, sour cream and mustard. Pour over potatoes and mix well. Chill at least 2 hours before serving.