Try our delicious Argentine Steak Sauce! Chimichurri is a green sauced used for grilled meat. It is based on finely-chopped parsley,minced garlic, olive oil, and whie vinrgar. You can also use it for an appetizer and just dip french bread in it. You can pretty much use it for any types of dish for flavoring! Believe Gus he knows what is good really good!