Bring a large pot of heavily salted water to a boil. Cook orzo until al dente. Drain and run cool water over it until it’s cooled.,
STEP 2
Make the dressing. In the bottom of a large bowl, mix shallot, lemon juice, Dijon mustard and oregano. Slowly stream in olive oil, whisking constantly. Season to taste with salt and pepper and set aside.,
STEP 3
Add the cooled orzo, tomatoes, cucumbers, feta, olives, red onions, and dill to the large bowl with the shallot dressing. Season to taste with salt and pepper. Toss to coat and serve immediately.