1Create the sweet chili sauce by grinding chili, garlic, salt, and sugar together, then mixing in fish sauce, rice wine vinegar, olive oil, spring onions, fresh coriander, and lime juice.
2Prepare the coating by crushing peanuts with salt, dried chili flakes, and coriander.
3Dip the red mullet fillet in beaten egg mixed with a splash of fish sauce, then press into the peanut and chili mixture.
4Sear the fish in a hot pan with olive oil until crisp, turning gently.