Name: Sweet & Sour Mandarin Fish
Prep time: 30 min
Cook time: 20 min
Total time: 50 min
Yield: 4 servings
Cuisine: East Asian
Ingredients: 1 whole mandarin fish or sea bream (700–900g), cleaned; Cornstarch for dusting (about 6 tbsp); 1 egg white; Neutral oil for deep frying (1L); 3 tbsp Chinkiang black rice vinegar; 3 tbsp sugar; 2 tbsp ketchup; 2 tbsp soy sauce; 1 tbsp cornstarch + 3 tbsp water (slurry); 150ml water; 3 tbsp pine nuts, toasted; 2 garlic cloves, minced; 2cm ginger, minced; 1 small carrot, finely diced; ½ green bell pepper, finely diced; 2 tbsp neutral oil (for sauce)

A whole fish scored in a chrysanthemum pattern, fried until it stands upright, and draped with sweet-sour pine nut sauce — Shandong's most theatrical dish.

The Cultural Story

This is the showpiece of lu cuisine (鲁菜, lǔ cài) — Shandong cooking, the oldest and most formally revered of China's eight regional cuisines, which formed the foundation of imperial court food. A whole fish — traditionally a carp or mandarin fish — is scored in a pattern so intricate that when it hits the hot oil, the flesh fans out into the shape of a chrysanthemum or a squirrel's tail (hence its other name, Squirrel Mandarin Fish). It arrives at the table upright, still sizzling, a small visual drama before the sauce — sweet, sour, gently fragrant with pine nuts and vinegar — is poured over in a theatrical flourish tableside. Shandong chefs train for years to achieve the exact scoring pattern that will fan precisely in the oil. The dish is a demonstration of lu cuisine's core virtue: technical mastery expressed through restraint, the fish itself the hero, every technique in service of the ingredient.

Ingredients

1 whole mandarin fish or sea bream (700–900g), cleaned
Cornstarch for dusting (about 6 tbsp)
1 egg white
Neutral oil for deep frying (1L)
3 tbsp Chinkiang black rice vinegar
3 tbsp sugar
2 tbsp ketchup
2 tbsp soy sauce
1 tbsp cornstarch + 3 tbsp water (slurry)
150ml water
3 tbsp pine nuts, toasted
2 garlic cloves, minced
2cm ginger, minced
1 small carrot, finely diced
½ green bell pepper, finely diced
2 tbsp neutral oil (for sauce)

Instructions

1Score the fish: make diagonal cuts 2cm apart all along each flank, cutting deep to the bone. Then make perpendicular cuts to create a cross-hatch pattern. The incisions should be close enough that when fried, the flesh fans apart.
2Open the fish at the belly and press down firmly to flatten slightly. Pat dry completely — moisture is the enemy of a crisp crust.
3Dust fish all over with cornstarch, pressing it into the scoring. Brush lightly with beaten egg white, then dust with a second layer of cornstarch. Let sit 5 minutes.
4Heat oil to 180°C in a deep wok or large pot. Carefully lower the fish in — if you have scored it correctly, the tail will curve upward as the flesh fans. Fry 8–10 minutes, spooning oil over any unsubmerged areas, until golden-crisp.
5Remove and drain on wire rack. The fish should hold its shape — flesh fanned open like a flower.
6For the sauce: heat 2 tbsp oil in a small pan. Fry garlic and ginger 30 seconds. Add carrot and pepper, fry 1 minute. Add vinegar, sugar, ketchup, soy sauce, and water. Bring to a boil.
7Stir in cornstarch slurry. Simmer until sauce thickens to a glossy consistency. Add pine nuts. Taste — it should be aggressively sweet-sour, bold enough to season the neutral fish.
8Place fried fish on a serving plate. Pour sauce dramatically over the fish tableside. Serve immediately.

Sweet & Sour Mandarin Fish

The Cultural Story

Ingredients

Instructions

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