Pesto

• 7 ounces (20 g) dried seaweed (e.g., a combination of sugar kelp, serrated wrack, winged kelp, and sea tangle)

Pesto is a puree or sauce that is also an oil emulsion. The name comes from the Italian pestare, meaning “to crush.” The classic version is made by pounding together fresh basil, garlic, and pine nuts; stirring the mixture into olive oil; and optionally adding grated Parmesan cheese. The plant pieces are particles that are big enough to be chewed but small enough to give the pesto an int