Boil orzo pasta in salted water according to package instructions. It usually takes 8-10 minutes for it to cook al dente (meaning it has some chew to it).
Drain pasta in a strainer and rinse with cold water until cooled down. Shake off any excess water and transfer orzo to a large bowl.
Add tomatoes, bell pepper, cucumbers, olives, feta, onion, and parsley to the pasta.
In a separate small bowl, prepare the dressing by whisking all of the ingredients together until creamy.
Pour dressing over the pasta salad and mix until combined and evenly coated with dressing.
Serve immediately or chill in the fridge for 1 hour to let the salad soak in all the flavors. Enjoy!