How to make the soup made of cod fillets delicious?

Cod soup ingredients: cod, tofu, bean sprouts, lettuce, green &; Red pepper, watercress. Seasoning: Korean hot sauce, chicken powder. Step: 1. Wash the cod after thawing and remove the skin from the sides. Put it in a small bowl, pour in cooking wine, pepper and dried starch and marinate for half an hour. 2. The beancurd is soaked in salt water; Wash soybean sprouts; Peel lettuce and cut into pieces; The pepper is seeded and shredded; Wash watercress 3. Prepare a soup pot, pour in proper amount of water, first add soybean sprouts and tofu, then add chicken powder and Chili sauce. 4. Add cod when there is a hole in the tofu, instead of turning the cod hard. 5. Lettuce is also cooked in the pot. When the cod is almost cooked, add green pepper and watercress. 6. Finally, add salt and pepper to taste.