1 (16 oz.) can pineapple, drained - save juice
4 c. mini marshmallows
6 to 8 oz. chopped peanuts
1/3 c. sugar
1 tbsp. flour
1 egg, well beaten
1 1/2 tbsp. white vinegar
2-3 c. peeled, diced apples
8 oz. Cool Whip

Mix juice, flour, sugar, egg and vinegar. Cook until thickened. Cool. Add Cool Whip, pineapple, marshmallows, nuts and apples. Mix well. Chill and serve.