I can see what you mean,it is pretty simple,compared to a BIR biryani though i think it tastes spot on,its the frying of the rice that gives it a real bir taste with the spices. the only other biryani recipes i've got from cookbooks are the banquet type affairs that are a lot more like home cooking with lots of ingredients such as rosewater etc.
I think I chucked some flaked almonds in too which i forgot too mention,I made this one up just from deconstucting one i'd had out, i might try cooking the rice with chicken stock instd of water next time though.