Cajun Chicken Étouffée

Ingredients

• 4 boneless, skinless chicken breasts, cut into 1-inch cubes
• 3 tablespoons vegetable oil
• 1/2 cup all-purpose flour
• 1 large onion, chopped
• 1 green bell pepper, chopped
• 1 red bell pepper, chopped
• 2 celery stalks, chopped
• 4 cloves garlic, minced
• 2 cups chicken broth
• 1 can (14.5 oz) diced tomatoes, drained
• 2 tablespoons Cajun seasoning
• 1 teaspoon Worcestershire sauce
• 1/2 teaspoon hot sauce (optional)
• 3 green onions, sliced
• 2 tablespoons fresh parsley, chopped
• Salt
• pepper
• Cooked white rice, for serving