How Chefs Prepare Fish for Restaurants

In the fast-paced environment of a premier London kitchen like Roe, fish preparation is a foundational skill that separates amateur cooks from seasoned professionals. This editorial look at restaurant-level fishmongery explores the meticulous steps required to transform whole, sustainably sourced British fish into flawless, service-ready portions. Whether dealing with flatfish like turbot or round fish like cod, the principles of precision, hygiene, and efficiency remain paramount. ## Mastering the Blade: Precision Filleting Techniques A chef's primary objective when preparing fish is to maximise yield while maintaining the structural integrity of the flesh. The process begins with proper stabilisation and preparation of the workspace. Using specialised knives, such as a flexible filleting knife for delicate flesh or a sturdier deba-style knife for cutting through bone, is essential. Chefs learn to work closely along the spine to ensure zero wastage. Each cut must be fluid and deliberate; sawing at the flesh tears the delicate fibres, ruining the texture and presentation for the final plate. Pin-boning must be executed with care, pulling bones in the direction they lie to avoid tearing the surrounding fillet. ## The Zero-Waste Philosophy of Modern Kitchens In contemporary British gastronomy, waste is no longer tolerated. Preparing fish at a restaurant like Roe highlights the culinary value of offcuts. Heads and frames are cleaned of blood and gills to create clear, gelatinous fish stocks and sauces. Collars—often discarded in domestic kitchens—are prepped for open-fire grilling, yielding some of the sweetest, most tender meat on the fish. Skin can be dehydrated and puffed into crisps, ensuring that every element of the catch is respected and utilised. ## Storage and Mise en PlaceMise en Place(French) "Everything in its place." The foundational setup of prepped ingredients and tools before service begins. for Service The final stage of fish preparation is storage, which directly impacts shelf life and cooking quality. Once portioned, fish must be stored dry, as moisture is the enemy of crispy skin and firm texture. Laying portions on parchment-lined trays, lightly seasoned if required, and keeping them at precise refrigeration temperatures ensures they are ready for the heat of service. This meticulous preparation ensures consistency across hundreds of covers.