Skillet Enchilada Chicken

Name: Skillet Enchilada Chicken
Cook time: 40 min
Total time: 40 min
Cuisine: American, Mexican, Latin American
Ingredients: 4 small boneless (skinless chicken breasts); 1 teaspoon kosher salt; ½ teaspoon freshly ground black pepper; 2 tablespoons cassava flour (sub all-purpose); 2 tablespoons extra virgin olive oil; 2 garlic cloves (minced); 1 red bell pepper (sliced into 1⁄4-inch-wide strips); ½ medium yellow onion (thinly sliced); 1 zucchini (halved lengthwise then sliced into ¼-inch-thick half moons); Two 15-ounce cans black beans (drained and rinsed); One 15-ounce jar of red enchilada sauce; 1 cup Monterey jack cheese; ½ a jalapeño (thinly sliced (optional)); Fresh cilantro leaves (for serving); Cilantro Lime Rice