1. Wash barramundi, bhetki, or basa, whatever you like or is available, nicely, and keep it in a bowl or plate.
2. For marination: Now marinate the fish with salt to taste, black pepper powder, and lemon juice. Marinate both sides.
3. Now keep it in the fridge for 20 minutes.
4. For coriander paste: Take onion cubes, ginger, garlic cloves, green chili, salt to taste, sugar, and cooking oil into a grinder.
5. Grind into a very smooth paste. Take it out in a bowl.
6. Now, in that bowl, add one beaten egg and 4 tablespoons of all-purpose flour.
7. Now mix it nicely and make a smooth paste.
8. Now take out the marinated fish again; we will marinate with the coriander paste we made.
9. Marinate both sides nicely.
10. Now we will keep this marinated fish in the fridge for an hour.
11. Now beat two eggs for egg wash. Add a little salt and pepper to the egg wash.
12. In three separate shallow dishes, set up a breading station. Place bread crumbs in the first dish, beaten eggs in the second dish, and a mixture of coriander paste, which is optional, but if you make it, it will take the dish to another level of yumminess.
13. Dip the marinated fish into the beaten eggs, ensuring an even coating.
14. Roll the fish in the breadcrumb mixture, pressing the breadcrumbs onto the fish to adhere.
15. Repeat the process one more time and ensure it is evenly coated with bread crumbs on all sides.
16. Give the fish sticks a nice rectangle shape.
17. Preheat your air fryer to 400°F (200°C) for about 5 minutes.
18. Lightly spray the air fryer basket with cooking spray or brush with a thin layer of olive oil.
19. Place the breaded fish sticks in a single layer in the basket, ensuring they are not touching.
20. Cook the fish sticks in the air fryer for 20–25 minutes, flipping them halfway through the cooking time. Cook until they are golden brown and crispy.
21. Once the fish sticks are cooked, remove them from the air fryer and let them rest for a minute.
22. Serve with your favorite dipping sauce, such as tartar sauce or a squeeze of lemon.

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