This Waldorf-esque cold salad is a wonderful blend of sweet and savory flavors, great for brunch or a noon-time meal. I served this on a bed of romaine lettuce with a side of toasted homemade oatmeal bread. If you'd like, you can toast the pecans first. You may wish to add the nuts just before serving to prevent them from getting soggy. Fresh herbs would make a nice addition (perhaps 1 T of parsley, cilantro, or basil), and you can change the ratio of sweet to savory by manipulating the amount of maple syrup, mustard, and horseradish you add. I hope you enjoy it!