Easy Chicken Fajita Rice Casserole - One-Dish Mexican Dinner

Ingredients

• 1/2 cup finely diced onion
• 1 red bell pepper, diced
• 1 cup uncooked parboiled long-grain brown rice (or long grain white rice)
• 3 tablespoons fajita seasoning (homemade or store-bought)
• 1/8 teaspoon cayenne pepper (optional)
• 1 cup frozen corn kernels
• 1 can (14 ounces) low-sodium black beans, drained and rinsed
• 5 cups shredded chicken
• 3 cups reduced-sodium chicken broth
• 1 can (4 ounces) mild green chilies
• 1 tablespoon olive oil
• 2 tablespoons tomato paste
• 1 1/4 cups shredded Monterey Jack cheese