Saute The Onion And Garlic In Olive Oil Until Softened. The Add Tomato Puree And Tomatoes. Bring To A Boil, Season With Cinnamon, Allspice And Sugar. Then Add Spinach. Simmer Over Medium Heat Until Mixture Reduces Slightly In Volume. Season With The Oregano And Set Aside. Meanwhile, Cook Orzo Until Half Done. Add To Tomato Mixute And Simmer Until Orzo Is Done. Toss Pasta With Feta And Parsley. Season With Salt And Pepper And Serve