Granny's very light, refreshing, sweet, and springy version of ambrosia is perfect as it is or easy to customize with your favorite fruits. Whip up a batch for a special side dish or a delicious dessert.
Combine pineapple, oranges, grapes, marshmallows, coconut, and nuts. Combine sour cream and sugar in a small bowl. Stir into fruit mixture. Chill for a few hours or overnight.