Sour Cream Potato Salad
["4 lb. new potatoes", "3/4 tsp. salt", "3/4 c. bottled Italian dressing", "6 hard-cooked eggs", "1 c. thinly sliced celery", "1 c. sliced green onions", "2 1/4 c. mayo", "3/4 c. sour cream", "1 Tbsp. prepared mustard", "1 tsp. salt", "1 tsp. prepared horseradish", "1/2 tsp. celery seed", "1/4 tsp. pepper", "1 c. chopped, pared cucumber", "2 Tbsp. sliced green onion tops"]
["In advance cook potatoes in water with 3/4 teaspoon salt. Drain; cool 10 minutes.", "Peel potatoes and slice.", "Pour Italian dressing over potatoes and refrigerate for at least 2 hours. Remove egg yolks from egg and set aside.", "Chop whites.", "Mix egg whites, celery and 1 cup green onions with potatoes and set aside. Press egg yolks through sieve reserving 3 tablespoons for garnish. Combine remaining egg yolk, mayo, sour cream, mustard, salt, horseradish, celery seed and pepper in bowl.", "Mix with potatoes. Cover and refrigerate 2 hours before serving."]
["new potatoes", "salt", "Italian dressing", "eggs", "celery", "green onions", "mayo", "sour cream", "mustard", "salt", "horseradish", "celery", "pepper", "cucumber"]