Dear Lukasz, We are absolutely mortified about this, and can't thank you enough for bringing this to our attention. Indeed, the tzatziki is not vegan, but our staff usually offers a vegan soy based alternative. We have gone ahead and immediately changed this in our menu- thank you again. That said, we're so glad that you loved the food and thought our staff were extremely friendly. A 1 star review really hurts our reputation which we strive to always exceed expectations. Please come back for a free meal so that we can hopefully change your mind, and change your poor star rating. With love, Leo - General Manager