Have you ever tryed....

adding green pesto and kalamata olives to mashed potato. My uncle introduced me to this combo when he was over from Australia a couple of years ago and my kids love it. It goes really nicely with oven roasted chicken and a fresh salad. In my home we add milk and butter and a little sea salt to the potatoes once we've drained them and then mash with a large fork. We have the pesto and olives on the dinner table available for use, so that everyone can customize their mash =)