How to cook Grandma Pat Ho's crab?

Ingredient: 

2 crabs

2 pcs garlic 

1 thumb size ginger thumb size

1 pcs chilli (deseeded)

1 tsp taucu

2 tbsp tomato sauce 

1 whole tomato 

0.5 cup of water 

Some pepper 

2 eggs (beaten)

2 tsp cornstarch 
2 tsp sugar 
Spring onion 

Method: 

1. Chop garlic, ginger, chili into small pieces/cubes together with taucu. Cut tomato into pyramidal slices

2. Mix tomato sauce with half a cup of water, corn starch, sugar and pepper 

3. Heat wok and stir fry taucio. Pour in tomato and crab and stir fry in medium heat, add in tomato sauce mixture and cook about 10 mins or until crab is cooked.

4. Add in beaten eggs and spring onion and quickly stir it

5. Cook a little bit more and ready to serve.