Fantastic Apple Salad - cooking recipe

Ingredients

1 Tbsp. flour
1/2 c. sugar
2 Tbsp. apple cider vinegar
1 egg, beaten
reserved pineapple juice (from 8 oz. can crushed pineapple)
1 (8 oz.) Cool Whip
1 (8 oz.) can crushed pineapple
4 c. diced Granny Smith apples
1 c. peanuts (if desired)

Preparation

Cook the first 5 ingredients until it is thick; set aside and let it cool.
Mix together the Cool Whip, pineapple and the cooked mixture when it is cool.
Now, pour over the apples.
You can add the peanuts, if desired.