Roast beets. Preheat oven to 425 degrees. Spray baking tray with oil. Spread out beets evenly. Lightly spray beets with oil. Sprinkle with salt and pepper. Roast for 15-20 minutes.
Toss arugula with Tessemaes.
Layer arugula, feta, avocado and pistachios evenly onto two plates. Top with roasted beets.