Creole Potato Salad

Name: Creole Potato Salad
Prep time: 15 min
Cook time: 20 min
Total time: 35 min
Cuisine: Southern
Ingredients: 3 pounds red potatoes; 1 tablespoon Zatarain's liquid shrimp and crab boil, (optional); 1 tablespoon apple cider vinegar; 3/4 teaspoon Zatarain's Creole seasoning; 1/3 cup mayonnaise; 1/3 cup sour cream; 1/3 cup Zatarain's Creole mustard; 1 teaspoon sugar; 1 stalk celery, (finely chopped); 3 hard-boiled eggs, (chopped); 3 green onions, (sliced); 1 tablespoon chopped fresh parsley