i do not know what the filo leaves are
but rose water you can get at the supermarket , all it really is , i think i am not 100% sure , is sweetened water
claried butter , is when you melt the butter real slow and then scoop of the fat on the top, you will see it when it divides , and use the bottom part of that , that is claried butter
the best thing for you todo is goto
http://www.askjeeves.com
ask ,how do i make blklava