Add vegetables to a large sautee pan or large heavy bottomed soup pot and cook until soft.
Add garlic and ginger and cook 2-3 more minutes.
Cook ground pork, if using (this can be made meat free). Drain.
Add pork and vegetables to a large soup pot.
Add in broth, soy sauce, hoisin, chili garlic sauce, and rice vinegar.
Dump in gyozas, dumplings, or poststickers.
Let simmer for 10 minutes or so and carefully taste for seasoning.
Add sesame oil, additional salt and pepper to taste, and additional hoisin or vinegar, depending on your tastes.
Top with green onions and sriracha to garnish.