Chateaubriand is a thick cut of beef fillet cooked as a roast, typically seared and then finished in the oven for a tender, juicy interior. James Martin’s recipe emphasizes simple seasoning, careful cooking, and serving with rich, complementary sauces like Béarnaise or a classic red wine reduction.
Find it online: https://britishbakingrecipes.co.uk/james-martin-chateaubriand/