1 tablespoon olive oil
1 yellow onion, diced
4 cloves garlic, minced
2 teaspoons ground cumin
1 (4 inch) cinnamon stick
salt and pepper to taste
1 pound butternut squash - peeled, seeded, and cut into 2-inch cubes
4 large red potatoes, cut into 2-inch cubes
2 cups vegetable broth
1 (15 ounce) can garbanzo beans, drained
1 (14.5 ounce) can canned diced tomatoes with their juice
1 cup pitted, brine-cured green olives
1/2 teaspoon lemon zest
1 3/4 cups water
1 (10 ounce) box uncooked couscous
6 tablespoons plain yogurt
6 tablespoons chopped fresh cilantro