Wash the beetroot and cook in boiling water for about 30 minutes. Cook quinoa in boiling salted water for about 15 minutes. Meanwhile, roast the pistachios in a pan without fat while turning. On a plate
Pour the quinoa into a sieve, drain. Drain the beetroot, quench and let it cool down.
Clean the salad, wash and spin dry. Onions clean, wash and cut into rings. Knock the pomegranate seeds out of their skin. Whisk vinegar and mustard and oil, season with salt and pepper.
Wash the apple, quarter it, cut out the core. Dice apple. Peel and dice beetroot. Chop pistachios. Mix the prepared ingredients and serve. Crumble goat cheese over the salad.