Put 2 or 3 peeled garlic cloves and 1/4 cup pine nuts in a food processor or blender and whirl until coarsely chopped. Rinse and drain 4 cups lightly packed fresh basil leaves; gently pat dry. Add basil, 1 cup grated parmesan cheese (about 4 oz.), and 3/4 cup extra-virgin olive oil to garlic mixture; whirl until smooth (if using blender, stop to push basil down into blades as needed). Add salt and pepper to taste.