Cá Nục Kho Cà Chua Recipe (Vietnamese Braised Fish & Tomato Sauce)

Ingredients

• 1.1 pounds fish, such as mackerel scad, round scad, tuna, herring, etc.
• 2 medium tomatoes
• 1 medium onion
• 2.6 ounces 75 grams celery
• 2 scallions
• 2 cloves of garlic
• 1 tablespoon olive oil
• 1 teaspoon chili powder
• 1 teaspoon ground black pepper
• 1 teaspoon salt
• 1 teaspoon sugar
• 1 tablespoon chili sauce
• 1 tablespoon ketchup
• 1 tablespoon oyster sauce
• 1 tablespoon dark soy sauce
• 7 tablespoons water