Tzatziki is a Greek sauce made from yogurt, garlic and cucumbers. Other ingredients such as lemon juice, mint, dill or parsley are sometimes added. I also love it because it really is u003cstrongu003ehealthieru003c/strongu003e than most other dips and sauces and that's because it's made with u003cemu003eGreek yogurtu003c/emu003e.