2 tablespoons olive oil
1 large sweet onion, finely chopped
2 tablespoons chili powder
1 teaspoon dried oregano
1 teaspoon dried tarragon
1 teaspoon ground cumin
3/4 teaspoon salt
1/2 teaspoon ground cinnamon
1/2 teaspoon pepper
3 garlic cloves, minced
2 tablespoons tequila, optional
1 carton (32 ounces) reduced-sodium vegetable broth
1 can (14-1/2 ounces) reduced-sodium chicken broth
4 medium sweet potatoes, …