Okra Gumbo Recipe

Name: Okra Gumbo Recipe
Ingredients: 1 teaspoon olive oil; 1 pound chicken thighs (chopped - chicken breast is good too); Salt and pepper to taste; 12 ounces tasso ham (chopped (or use andouille sausage, sliced into ¼ inch slices)); ½ cup peanut oil or vegetable oil; ½ cup flour; 1 medium bell pepper (chopped); 1 medium onion (chopped); 1 medium celery stalk (chopped); 3 cloves garlic (chopped); 2 tablespoons Cajun seasoning (or more to taste); 6 cups chicken stock; 3 bay leaves; ¾ pound fresh okra (sliced); 4 tablespoons chopped parsley (+ more for serving); For Serving: Cooked white rice, if desired