Firstly dice 1 onion and 1 capsicum.
Now heat a pan with 4 to 5 tablespoon of refined oil.
Turn the flame to medium high and slowly add 1 tablespoon of crushed chilli, garlic and ginger. Saute it for a minute or so till it turns golden and aromatic.
Now add the diced capsicum and onion to it and stir well for 2 minutes.
Add a tablespoon of vinegar to it.
Add a tablespoon of sugar and mix well.
Now add salt as per taste.
Add 1 tablespoon of soy sauce to the veggies.
Add 4 tablespoon of tomato sauce to the mixture.
Now add 1 tablespoon of red chilli sauce and give them a good stir. Turn the flame to low.
Now add 1 tablespoon of cornflour in a glass of water and mix well.
Add the cornflour slurry to the veggies and keep on stirring it to avoid lumps.
Cook it for 2 to 3 minutes until it thickens and glossy.
Add the balls in the greavy and toss well.
Add 1/2 tablespoon black pepper.
Stir well and turn the flame off.
Your Manchurian is ready to be served. Tastes best when served hot.