Clean the Brussels sprouts, cut each stalk crosswise. Cook in salted water for approx. 5 minutes until al dente. Rinse briefly with cold water.
Rinse the lentils cold in a colander. Cut the apricots into pieces. Peel and dice the onion, sweat in hot oil in a large pan until translucent. Add the curry powder, fry briefly, then pour in the broth.
Add Brussels sprouts, lentils and cinnamon stick, cook the vegetables for 15-20 minutes. Add apricots, chutney and yoghurt and cook for 1 minute. Season to taste with salt and pepper. Remove the cinnamon stick to serve.