Stuffed zucchini

Four small; two medium; or one large zucchini (I used one large)
1 tbsp olive oil
1/2 cup chopped onions
2 chopped garlic cloves
10 chopped pitted kalamata olives (1 to 3 tbsp)
1 cup broth
2/3 cup couscous
3/4 cup feta cheese
10 fresh basil leaves

Cut zucchini in half and remove seeds.
Cook in 475 oven for 10 minutes.
Cook onions and garlic in oil until fragrant.
Add broth and bring to boil.
Turn off heat; stir in couscous, 1/2 cup feta, olives, basil.
Cover and let sit for 5 minutes.
Stuff couscous mixture into partially cooked zucchini.
Sprinkle with 1/4 cup feta cheese.
Bake at 475 for 10 minutes.