- 4 cups fresh basil leaves packed
- 1/4 cup grated Parmesan cheese
- 1/2 cup Olive oil
- 3 tablespoons walnuts
- 8 garlic cloves finely minced
Place basil leaves in small batches in food processor and whip until well chopped (do about 3/4 cup at a time). Add about 1/3 the nuts and garlic, blend again.
Add about 1/3 of the Parmesan cheese; blend while slowly adding about 1/3 of the olive oil, stopping to scrape down sides of container.
Process basil pesto it forms a thick smooth paste. Repeat until all ingredients are used, mix all batches together well. Serve over pasta. Basil pesto keeps in refrigerator one week, or freeze for a few months.