Rafa
It doesn't get more basic than a medium curry and this is my Taz recipe below - not sure if I've posted it on here but the good thing about doing a medium curry in that the ingredients are few, therefore you are able to concentrate on the technique.
Chicken Medium Curry with Taz Base
Ingredients:
1 portion pre-cooked chicken
400 ml Taz curry base gravy
1 level tbsp tomato puree mixed with 1 tbsp. water
1 tsp garlic ginger paste
1 tsp BE spice mixture