Pretty much witchy's recipe along with BA's salting step, but I substitute mint for dill. I use full fat Brown Cow plain yogurt, but that's what I normally eat anyway. It fills me up more effectively than nonfat or low fat yogurt. Lately, we buy tzatziki from our local Greek market when we get their prepared foods (moussaka, pastitsio, spanakopita, lamb shanks) for dinner. Their version of tzatziki is amazing. They make their own Greek yogurt, also full fat.
