Forage Under Water for These Greens of the Sea

Some of nature’s most verdant vegetation comes straight from the sea in the form of sea lettuces, sea grapes and sea beans.

At Parallel 37 in San Francisco, Michael Rotondo serves poached halibut in its “natural environment” by incorporating sea grapes and sea lettuces. “They mimic the ocean with kelps, seasoning the fish with ocean flavor,” he says. He seasons the halibut with crumbled...