Seasoning
Plain Flour     150 ml
Corn Flour      1 tbsp
Baking Powder    1 tbsp
Salt     1/2 tbsp
Water     100 ml

Sauce
Corn Flour     2 tbsp
Water     7 tbsp
White Vinegar    2 tbsp
Sugar     4 tbsp
Tomato Ketchup    3 tbsp

    
Steps
1)   Mix seasoning well, then add 1 tbsp of oil and mix well again
2)   Mix sauce well, for further use
3)   Remove membrane of walnuts, parboil in hot water for 1 minute, drain
4)   Heat 500 ml of water, boil walnut 3-5 minutes with 1 tbsp of salt until soft
5)   Marinate boiled walnuts into mixed seasoning, coat each walnuts with batter
6)   Heat wok with oil, deep fry the coated walnuts until crispy, drain dry
7)   Chop red and green pepper, pineapple into small cubes
8)   Heat wok with 2 tbsp of oil, stir fry chopped pepper and pineapple
9)   Add in mixed sauce, stir fry until boil, pour in walnuts, stir fry, dish up 
    

Remark 
tbsp -     table spoon.