2 cups fresh basil leaves, packed
1/2 cup flat-leaf Italian parsley, packed (optional)
1/4 cup grated Parmesan cheese
1/2 cup olive oil
1/4 cup pine nuts or walnuts
2 garlic cloves, minced
salt and black pepper to taste

Place ingredients in food processor and blend to a smooth paste.  Store in refrigerator in tightly closed container for up to a week or freeze for a few months.