Beets. Oranges. Apples. A few toasted walnuts. Some creamy blue cheese-blessed dressing. Quick! Hand me a knife and fork. The flavor combinations in this salad are irresistible. You can add some grilled chicken if you like. And there are a couple of shortcuts that make it quick to prepare. One: Buy steamed, ready-to-eat beets. They are sold in the refrigerated…