<http://schema.org/recipeInstructions>
" Place garlic and salt in a mortar. Add about 1/3 of the walnuts, arugula, basil, and olive oil. Using a pestle, crush ingredients against bottom and sides of mortar until a coarse paste forms. Working in batches, add another 1/3 of the walnuts, arugula, basil, and olive oil, crushing as directed. Repeat with remaining batch. Stir in Parmesan and lemon juice; transfer to an airtight container, cover with a layer of extra-virgin olive oil, and refrigerate up to 3 days."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.delish.com/cooking/recipe-ideas/recipes/a3860/arugula-walnut-pesto-recipe/?src=shelter_footer>