I think pineapple dump cake is best served warm topped with a scoop of ice cream or whipped cream. Vanilla ice cream goes well with the pineapple flavor, you can also use cherry, or pineapple ice ...
When you're craving something sweet and summery, a Pineapple Coconut Dump Cake is the perfect answer ... beat softened cream cheese until smooth. Add powdered sugar and blend until fluffy.