Southwestern Sweet Potato Stew

Name: Southwestern Sweet Potato Stew
Ingredients: 2 cups lower-sodium vegetable broth; 2 cups water; 1 ½ pounds sweet potatoes, peeled, and cut into 2-inch pieces; 1 medium onion, chopped (1/2 cup); 2 cloves garlic, minced; 1 ½ teaspoons dried oregano, crushed; 1 teaspoon chili powder; ½ teaspoon ground cumin; ¼ teaspoon salt; 1 (15 ounce) can golden hominy, rinsed and drained; 1 (15 ounce) can no-salt-added black beans, rinsed and drained; 1 poblano chile pepper, roasted (see Tip), seeds removed, and cut into thin strips (see Tip); Chopped fresh cilantro; Lime wedges