A spoonful of this is the perfect accompaniment to halibut or other mild-flavored fish.
Servings: Makes 1 cup
Ingredients
  • 1 small clove garlic , peeled
  • 1/2 teaspoon kosher salt
  • 1/2 cup walnuts
  • 2 cups packed fresh arugula leaves
  • 1/2 cup packed fresh basil leaves
  • 1/3 cup extra-virgin olive oil , plus more for storing
  • 2 tablespoons grated Parmesan cheese
  • 1 tablespoon fresh lemon juice
  • Directions
    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.

    Note: This pesto can be made in a food processor: Simply combine the ingredients and blend 20 to 30 seconds, to a coarse paste. Chef Michela Larson prefers crushing them in a mortar with a pestleā€”a slower process, which she finds results in a more aromatic, flavorful pesto.

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