Buttermilk Salad

Ingredients

• 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