For the couscous salad:
1) In a medium saucepan, bring the water and the tsp of oil to a boil. Stir in the couscous. Remove from the heat, cover, and allow to stand for 2 minutes.
2) Uncover the couscous and fluff with a fork. Add the tomatoes, olives, parsley and cheese and toss with the dressing.
3) Taste and add a pinch of cinnamon, if desired. Serve hot or at room temperature.
For the dressing:
1) Whisk the oil, lemon juice, salt and pepper in a small bowl and use to dress the couscous.