How to Throw a Clambake at Home
Dry rocks thoroughly in the oven, then bake them until hot.
In a large pot of hot water, soak kombu until rehydrated and pliable.
Toast Wood Chips
Roast small wood chips in a heavy skillet over high heat until smoking.
In a casserole, scatter the wood chips over the rocks, then top with kombu.
Add the seafood, chorizo, onions and mushrooms and bake.
For extra flavor, squeeze charred lemon over the clambake.