Preheat oven to 400 degrees F.
Toss yam slices in olive oil. Arrange in four flat rounds by overlapping slices on parchment paper. Bake until nearly crisp; reserve.
Heat butter in a skillet to medium. Add kumquat slices and sprinkle sugar over all to caramelize. When sugar starts to brown, remove from heat.
Mix together Ready-Set-Serve Heritage Blend, kumquats, croutons, and poppy seed dressing. Arrange equal portions on top of baked yam rounds and serve.