The exact proportions of this recipe can be altered however you like. If you want more oil, add a little more; more parmesan, etc. You should alter this recipe to taste the way you like your pesto. When using this pesto as a pasta sauce, be sure to reserve some of the water from cooking the pasta. Pesto has a tendency to make pasta a little dry, and adding a little pasta water will keep your pesto sauce and pasta moist and fresh. Homemade pesto also freezes well for use later.
