Step 1

To make the tzatziki, mix all of the ingredients together in a bowl.

Step 2

To make the sandwiches, first heat the pita in the microwave to soften them. Cover them with a damp towel and microwave on high for 15-second intervals until warmed. Cut them in half.

Step 3

Stuff each pita half with desired vegetables like greens, cucumber, tomato, and onion. If using meat, add the meat as well. Sprinkle with feta cheese and top with some tzatziki.