The trick is to come in from the side of her mouth with the food inbetween the finger tips, even the most experienced keeper will get an occasion accidential nip on the finger tip (yes it can hurt when they are getting bigger.
You need to be on the ball and watching very closely and get the hand and eye condination right when hand feeding beardies.
She will get the hang of the handfeeding lurk and get good at it, as will you.
Some people who are bit intimidated by their big dragons resort to feeding using tweezers or chemistry tongs.
Target training is used with larger lizards like monitors , this might be good for you If you can't get the hang of handfeeding.
if she's only a little hatchling or juvenile , you can try what I do when I start handfeeding my friendly wild skinks , essentially place the hand which is open and flat and palm up with a bug on it where she can see the bug , she'll amble up and take the bug off the open hand and there is little change she'll bite the open hand this way.
