Tzatziki sauce is a traditional Greek sauce. It is also known as Yogurt and Cucumber sauce. Tzatziki is simply made with yogurt, drained cucumber, olive oil, fresh herbs, garlic, lemon juice and salt. It's a refreshingly chilled sauce, dip or spread. Tzatziki is often served with grilled meat but you can also serve it with grilled vegetables. This is a versatile sauce that is the perfect accompaniment to many Mediterranean dishes. This simple recipe comes together in 15 minutes. It's so refreshing and easy to make! Say goodbye to store bought version and hello to your new favorite home-made recipe.