Cookie's Taffy Apple Salad

1-8oz can crushed pineapple w/juice
1/2 c sugar
1 TBS flour
1 egg
2 TBS cider vinegar
8 oz Cool Whip
6 Granny Smith apples, peeled & cut into small chunks
1 c dry roasted salted peanuts

In a medium saucepan, cook sugar, pineapple w/juice, flour, egg and vinegar until thickened, stirring occasionally. Cool. When cool, fold in whipped topping and apples. Pour into serving bowl and refrigerate until ready to serve. At that time add the peanuts. (For the picnic, I did everything the day before except adding the peanuts)