First cut the carrots into sticks, chop the spring onions into large pieces and cut the onion and garlic into small cubes.
Cut the fish into pieces approx. 4 cm.
Heat 1 tablespoon of oil in a non-stick pan and sauté the vegetables in it for about 3 minutes, deglaze with the wine and add the stock. Drizzle the pieces of fish with lemon and fold in carefully. Cook with the lid closed for about 15 minutes.