Preheat oven to 400 degrees. On large sheet of aluminum foil, lay the beets and drizzle with olive oil. Place the thyme sprigs on top and sprinkle a bit of salt and pepper. Fold the aluminum foil up tightly and bake about 45 minutes to 1 hour (until beets are fork tender). Cool. Slide skins off and discard. Mix spinach leaves, beets, toasted walnut halves and Litehouse Bleu Cheese Crumbles. Top with Litehouse Bleu Cheese Vinaigrette to taste.