Homemade Classic Basil Pesto

Ingredients (7)

• 6 ounces fresh basil leaves, 3 bunches or 6 cups
• ½ cup pine nuts, about 2.7 ounces
• ⅔ cup grated Parmigiano-Reggiano cheese, about 2.7 ounces
• 1 clove garlic
• ¼ teaspoon salt
• ⅛ teaspoon freshly ground black pepper, about 3 twists of the grinder
• ¾ cup extra-virgin olive oil, more if needed