There, done, like it?
Alternately, if you have it, just use Force Speed plus Fast (blue) stance and lots of sweeps.
I will admit she's pretty tough in SP the first time you meet her, but she's not unbeatable!
Btw, you didn't specify if this was JK2 or JA, so...
Actually you cannot kill her in Jedi Outcast, not in the normal single player game... you have to load \map pit and THEN you can fight her to the death, finally! And in this case, use the same strategies you would before, only this time you have more force, and can properly take her on!
In any case, check out the SP walkthroughs for JK2 and JA at:
Lots of spoilers, so consider yourself warned!