Place the sesame oil in a large stockpot and heat on medium-low. Add the sliced onion and saute for 1-2 min.

Add the vegetable and chicken stock.

Add the water chestnuts, carrot, broccoli, and mushrooms, and heat to boiling on high.

When the stock boils, turn down and simmer for about 10 minutes.

Add the potstickers and potsticker sauce, stir, and heat to boiling again, then simmer on medium-high for about 10 minutes.

Add the cooked shrimp and simmer for about 5 minutes, then serve.