Cook the quinoa in salted water, drain and leave to cool.
Pierce the sweet potatoes all over using a fork. Rub olive oil into the skin and season with salt and pepper. Bake the sweet potatoes whole in the oven at 200°C for approx. 40 minutes.
Mix the herbs and vegetables into the quinoa. Add the salt, pepper, chili, lemon juice and olive oil to the salad to taste.
Take the sweet potatoes out of the oven and cut them in half. Use a fork to lightly mash the potato. Top the sweet potato with the quinoa salad. Add pomegranate seeds to taste. Pull the smoked salmon into pieces and divide among the plates. Garnish with freshly grated horseradish.