1 tablespoon olive oil
1 medium onion
chopped
4 cloves garlic
minced
4 medium potatoes
peeled and cut into 2-inch pieces
1 pound butternut squash - peeled
seeded
and cut into 2-inch cubes
1 (15 ounce) can garbanzo beans
drained
1 (14.5 ounce) can diced tomatoes
undrained
2 cups vegetable broth
2 teaspoons ground cumin
2 teaspoons ground coriander
2 teaspoons grated lime zest
1 ¾ cups water
1 (10 ounce) package dry couscous
salt to taste
1 tablespoon salted butter
6 tablespoons chopped fresh cilantro
divided
6 tablespoons chopped fresh mint
divided
6 tablespoons plain yogurt
6 wedge (blank)s lime wedges