Green sauce is a type of condiment that is made from a variety of ingredients, including herbs, spices, and vegetables. Pesto is a type of green sauce that is made from basil, garlic, olive oil, pine nuts, and Parmesan cheese. Salsa Verde is another type of green sauce that is made from tomatillos, jalapenos, cilantro, and lime juice. Both pesto and salsa verde are popular condiments that can be used to add flavor to a variety of dishes.