The clarification of consommé is one of the most elegant and scientifically fascinating techniques in the classical French repertoire, transforming a flavourful but cloudy stock into a crystal-clear, deeply concentrated liquid of extraordinary purity and flavour. The process exploits the coagulating properties of egg whites and the extractive power of lean ground meat to simultaneously filter and enrich the broth. The clarification mixture (clearmeat) combines: lean ground beef (500g per 2 litres of stock), mirepoix cut very fine (carrot, celery, leek, onion), egg whites (2-3 per 2 litres), tomato concassé (for acidity and colour), and aromatics (bouquet garni, peppercorns). These are mixed thoroughly with a portion of cold stock and left to macerate for 30 minutes. The remaining stock is brought to a gentle simmer and the clearmeat mixture stirred in. The critical phase begins: as the liquid heats, the egg whites begin to coagulate, trapping suspended particles and fat droplets in a protein mesh that rises to the surface. Once the raft forms (typically at 70-75°C), all stirring must cease immediately. A small hole is poked in the raft to allow the consommé to percolate gently through, self-basting and extracting flavour from the ground meat and aromatics. The liquid must never boil — maintained at 85-90°C with the barest trembling — for 60-90 minutes. Boiling shatters the raft, re-dispersing the trapped particles and ruining the clarity. To serve, the consommé is ladled through the hole in the raft, then strained through a muslin-lined chinois without pressing or squeezing. The finished consommé should be absolutely clear — you should be able to read newspaper print through a bowl of it — with deep amber colour and intense, concentrated flavour. It should set to a firm jelly when chilled, indicating sufficient gelatin concentration. A perfect consommé is the benchmark against which a chef’s fundamental skill is judged.
Clearmeat mixed with cold stock and macerated before use. Stop stirring once raft begins to form. Never let the consommé boil — 85-90°C maximum. Ladle through the raft hole, strain through muslin-lined chinois. Finished consommé should be completely transparent and set to jelly when cold.
Add a small amount of acid (tomato or white wine) to the clearmeat — acid promotes faster, tighter coagulation. Freeze the clearmeat mixture into ice cubes and add them to cold stock, then heat together for a more controlled raft formation. If the consommé lacks colour, brush a halved onion with oil and char it under a broiler, then add to the simmering consommé through the raft hole.
Starting with warm or hot stock, causing premature coagulation. Stirring after the raft forms, breaking it apart. Allowing the liquid to boil, which shatters the raft. Pressing or squeezing the muslin during straining. Using fatty meat in the clearmeat, which clouds rather than clarifies.
Le Guide Culinaire (Escoffier)