1. Yes, lemon is used for seasoning and removing fishy smell.

2. You can prepare these ingredients: 2 cod fish, 3 potatoes, 1 lemon; 45 grams of salad oil, 1 green onion, 1 slice of ginger, 10 cloves of garlic, 1 tablespoon of white vinegar , 1 tsp refined salt, 3 tbsp chili sauce, 2 tbsp concentrated chicken juice, 3 aniseed, appropriate amount of chili powder.

3. Cooking steps:

(1) Scrape off the fish scales, remove the internal organs, wash and cut into 5 cm lengths.

(2) Cut the potatoes into hob pieces, cut the green onions into sections, slice the ginger, peel the garlic, and slice the lemons for later use.

(3) Heat the oil in the pan for six layers, put in the fish pieces and fry them briefly. Cook the white vinegar on the fish pieces to evaporate them, which will remove the fishy smell. Then add the broth, chili sauce, concentrated chicken juice, green onions, chili noodles, MSG, salt, aniseed, and garlic. After boiling, add the potatoes and simmer over low heat. The pot should be covered and simmered.

(4) Stew until the potatoes are cooked, then serve on a plate, then squeeze the juice from the sliced ??lemon and pour it on top of the cod.

4. Taste: salty, sweet, fragrant, spicy, potatoes are soft and tasty, cod is fragrant and tender.