Corn and Ginger Soup

1 T vegetable oil
½ C shallots, finely sliced
1 T ginger
2 C corn kernels, cut from cobs
1 L chicken stock
¼ t white pepper
1 t sugar
1 t salt
2 T soy sauce
2 T sliced shallots, extra
coriander springs
1 t sesame oil
Heat oil in saucepan, add shallots and ginger 1 min, add corn 1 min, pour in stock and bring to boil. Season with pepper, sugar, salt, soy sauce, simmer 5 mins. Serve sprinkled with shallots, coriander, sesame oil.