Chef Keller demystifies the secrets of cooking octopus to get tender, delicious results. Then it's healthy all around with poached salt cod and an egg-free mayonnaise made with oysters. Grilled Octopus in Oregano Vinaigrette with Orecchiette Pasta and Nudja, Poached Salt Cod with Oyster Mayonnaise and Roasted Cauliflower & Instant Raspberry Sorbet.