Buttermilk Salad
["2 boxes apricot jello", "1 (20 oz.) can crushed pineapple", "2 c. buttermilk", "1 (8 oz.) Cool Whip", "1/2 c. milk", "1/4 c. vinegar", "1 Tbsp. margarine", "3/4 tsp. salt", "1/3 c. sugar", "1 egg", "1 Tbsp. cornstarch", "1 c. salad dressing", "1 c. celery, finely chopped", "2 c. chicken, cooked and diced"]
["Remove from heat and blend in:"]
["apricot jello", "pineapple", "buttermilk", "milk", "vinegar", "margarine", "salt", "sugar", "egg", "cornstarch", "salad dressing", "celery", "chicken"]