Ingredients

  • 3/4 cup extra-virgin olive oil
  • 3 cups (loosely packed) fresh basil leaves
  • 1 cup (loosely packed) fresh arugula
  • 1/2 cup grated pecorino Romano cheese
  • 1/3 cup pine nuts
  • 2 garlic cloves, peeled
  • 1/2 teaspoon grated lemon peel
  • 2 tablespoons lukewarm water

Method

  • Place 1/2 cup oil and next 6 ingredients in processor.
  • Process to thick paste.
  • With motor running, add remaining 1/4 cup oil and 2 tablespoons water to processor.
  • Blend until smooth.
  • Season pesto to taste with salt and pepper.
  • (Can be made 2 days ahead.
  • Pour thin layer of oil over pesto; cover and chill.)