1 - Preheat oven to 350 degrees F (175 degrees C).

2 - Grease a 9x13 inch baking dish.

3 - Bring a large pot of lightly salted water to a boil.

4 - Add spaghetti and cook for 8 to 10 minutes or until al dente; drain and stir in tomato sauce, tomato paste, cinnamon, oil, salt and pepper.

5 - Transfer to prepared dish.