Sunny Pineapple Fluff

Ingredients:

1 package (3.4 ounces) instant vanilla or cheesecake pudding mix

1 (20 ounce) can crushed pineapple, undrained

8 ounces whipped topping (like Cool Whip), thawed

2 cups mini marshmallows

1 cup sweetened shredded coconut

1/2 cup chopped walnuts or pecans