My Top Tips♡ Do not drain the crushed pineapple! This recipe needs both the juice and the fruit.♡ For the quickest prep time chop the nuts and measure the marshmallows before starting to mix the fluff.Substitutions & VariationsOmit the Nuts. The original recipe was completely no fuss and did not contain chopped nuts. So feel free to omit them.SubstituteChopped Walnuts. You can substitute chopped walnuts for the pecans.Substitute stabilized whipped cream for the frozen whipped topping.Make-Ahead & StoragePistachio Fluff Salad can be made one day ahead or made just 1 hour before serving. It stores well in an airtight container for up to 3 days in the refrigerator.