Carmel Apple Dessert

1 ts Apple cider vinegar

1 tb Flour

1/2 c Sugar

1 Egg; beaten

1 8 oz crushed pineapple

1 8 oz Cool Whip

4 c To 6 cups diced apples

1 Small bag crushed peanuts

Drain and save pineapple juice. Cook apple cider vinegar, egg, flour, sugar and pineapple juice on medium heat for 5 minutes to custard consistency, stirring constantly. Let cool. Mix apples and pineapple first, then add custard mixture and cool whip. Refrigerate. Add nuts before serving.