<human>:  How do you make a good pesto sauce?
<bot>: To make a good pesto sauce, start by blending together 2 cloves of garlic, a handful of fresh basil leaves, 2 tablespoons of pine nuts, ¼ cup of olive oil, 1/3 cup of freshly grated Parmesan cheese, and a pinch of salt and pepper. Blend until a paste has formed, adding more olive oil as needed to achieve a desired consistency. Serve the pesto sauce over your favorite pasta or use it as a spread for sandwiches or as a dip. Enjoy!