Cook orzo according to package. Drain, rinse with cold water, and set aside to cool completely.
In a medium bowl, combine cucumber, tomato, and pepperoncini.
Add orzo to the bowl.
In a small bowl, mix together dressing ingredients.
Pour dressing onto bowl with pasta and combine.
Season pasta salad with salt and pepper.
Add crumbled feta just before serving. Serve with more feta, if desired.
Enjoy pasta salad cold or at room temperature.
Store in a sealed container in the fridge for 3-5 days.