To a wok add two tsp butter , crushed garlic cloves(4-5nos) , crushed pepper corns (8-10nos) .
Saute for some time.
Add diced onion (2nos big ) , two green chilli.
Add some cooking oil if needed.
Add chicken as small pieces.
Saute for some time (10-15 minutes) . Till the onion gets golden brown . (I use this time to make fried rice.)
Add capsicum , spring onion, baby corn , carrots (all or any) .
Add one tsp soy sauce , 2 tsp sweet and sour sauce.
Again saute for some time. Serve hot .