In a large mixing bowl, whisk together the pineapple, pudding mix, vanilla extract, and salt..
Add the chopped peanuts and mini chocolate chips, stir well to combine.
Scoop the Cool Whip into the bowl, stir will to break it up and fully combine it into the pineapple mixture.
Fold in the mini marshmallows until evenly distributed.
Cover and chill for at least 2 hours.
Before serving, peel and slice the bananas. Place in a bowl, toss with lemon juice to fully coat the banana slices.
Use a slotted spoon to transfer the banana slices to the bowl of marshmallow salad, leaving excess lemon juice behind.
Add the strawberry slices to the mixture, gently fold to combine.
Serve right away, or cover and chill until use. Best served within 3 days or so.