Chipotle Chickpeas & Tofu Stew

Name: Chipotle Chickpeas & Tofu Stew
Cuisine: American, Mexican, Latin American, African
Ingredients: 1 block super firm or extra firm tofu (14 ounces), pressed; 1 tablespoon cornstarch or arrowroot; ¼ teaspoon salt, or to taste; 1 ½ tablespoons olive oil or vegetable broth; 1 medium yellow onion, thinly sliced; 3 large carrots, sliced in ¾-inch coins; 3 cloves garlic, minced; 1 ½ teaspoons smoked paprika; ¾ teaspoon ground cumin; ½ teaspoon cinnamon; ¼ teaspoon coriander; 1/8 teaspoon cayenne (optional); 3 tablespoons tomato paste; 1 chipotle pepper in Adobo sauce, minced; 2 ½ cups vegetable broth; 1 can chickpeas (14 ounces); Zest of 1 small lemon; Juice of 1 small lemon; Salt and freshly ground black pepper to taste; ¼ cup chopped fresh cilantro, for garnish