Heat Oil in a medium sized pot.Add Ginger,Garlic and shrimps saute for 1-2 minutes.Add Corn, Green Beans,Carrots and Cabbage saute for 1-2 minutes.
Add chicken Broth, Salt,sugar,Black Pepper.Bring mixture to a boil and simmer until vegetables are half done. Add Mushrooms, 1/2 of the green onions, Chili Sauce, Soy Sauce and Vinegar and bring to a boil.Mix 2-3 Tbsp water with the Corn Starch and add it to the soup bring to a boil.
Slowly add in beaten Egg and start stirring after 2 minutes and cook for 1-2 minutes. Garnish with Spring Onion and serve hot.
To make it vegetarian don’t use shrimp and add vegetable broth or stock instead off chicken broth. or If you want chicken hot n sour soup simply add shredded chicken instead off shrimps.