Cook the orzo according to the directions on the package. Drain and rinse. Coat with the olive oil.
Meanwhile, add the diced red onion, chopped cucumber, and banana peppers to a large bowl. Feel free to add a spash of banana pepper juice from the jar!
Add the olive oil coated orzo to the bowl. Sprinkle the seasoning on top. Stir well to combine.
Add the feta. Refrigerate or enjoy immediately!