How to burn shark skin with onions?

Ingredients: 250g of dried shark and 50g of onion.

Ingredients: garlic 10g

Seasoning: chicken essence, salt and peanut oil.

Specific practices:

1. Soak the shark in warm water for 5 minutes, then pick it up and scrape the sand off the shark skin with a knife.

2. Cut the shark into strips.

3. Heat the wok, add peanut oil, stir-fry the ingredients until fragrant, then add the dried shark, stir-fry until 90% ripe, add grapes and seasonings, and continue to stir-fry until cooked.