Bow tie pasta with basil pesto

Pasta and macaroni Italian cuisine

4 cups fresh young basil leaves, packed 3 garlic cloves ⅓ cup pignoli nuts ¾ cup grated Parmesan or Romano cheese (if using Romano, use less salt) ¾ cup extra virgin olive oil + more if needed for desired consistency Salt and freshly ground black pepper, to taste 1 lb. cooked farfalle (bow tie pasta)