Chinese Curry: ABC Tang Style
 4 tbsp. vegetable oil    4 cloves garlic, crushed    3 med. onions, sliced lengthwise    2 lg. chicken breasts, boned and cut in 2 inch pieces    1 tsp. chili powder    1 tsp. black pepper    1 tbsp. curry powder    2 tbsp. sugar    7 tbsp. brown sugar    2 tsp. salt    1 tsp. ginger powder    2 tbsp. soy sauce    1 c. water    3/4 c. coconut milk    3 med. potatoes, cubed  (optional) 1 med (1 lbs) eggplant    2 tbsp. butter mixed with 2 tbsp. flour (Thickener)            Heat  2 tablespoons oil in heavy pot over high heat, about 30 seconds.    Add  garlic; fry until brown.    Add onions; stir fry 3 minutes.    Add curry powder.    Remove onions  and set aside.Heat remaining oil in pot. Add chicken   Stir fry 3 minutes.  Add sugar, brown sugar, chili powder, ginger, black pepper, salt, soy sauce and water.  Mix in  potatoes (optional: add chopped eggplant)  Bring mixture to a boil.  Reduce heat and cover. Simmer 20  minutes.  Mix in onions and coconut milk.  Co...