Is it a dip? Is it a sauce? Whatever you call it, it’s delicious. I could easily eat a whole bowl of this with a baguette as the vehicle! Whenever I eat tzatziki I’m transported to childhood holidays on the island of Lefkas with my best friend and her family. I’m sure there were more than a few nights when this was all we wanted for dinner. This recipe slightly strays from the traditional, with the addition of feta cheese. I really like the saltiness and texture that the feta adds. When straining the liquid from the cucumber, you can just squeeze it and use immediately. But if you have…