Are you double tracking your voice? If so, that can definitely hide the grit in your voice. So can too much reverb.

+1 for Tube Saturation found in the Pro Channel. This will give you a distorted vocal, something akin to The Beatles I Am The Walrus.
 
Another option is using an amp sim, again to create distortion along with a pitch shifter. I particularly like Guitar Rig 4s octave pedal or Waves Doubler for this effect.
 
Finally, the old fashioned way is to sing yourself hoarse...like Jim Morrison, just scream into a SM58 or something like that and you should get a gravelly effect.
 
I don't recommend you take up smoking like Freddie Mercury did, he smoked or so the story goes because he liked the gravelly effect it gave his voice in later years...I'm not sure how many smokes a day and how long it took to get that effect...it also gave him throat nodules too.
 
:)  

Try eating a spoonful of Oregano Leaves.

Doesn't everyone before they record?  Seriously, this has to be the post of the year.
 
 

fantini
Try eating a spoonful of Oregano Leaves.

JohanSebatianGremlin

11Dreams
Hum, whisky? lol I don't really drink.  have a genetic rasp, its a family thing, maybe because my grand parents drank an smoke...
 

Are you sure? I mean I have no doubt that you can hear it. But everyone's voice sounds different in their own head than it does to anyone else. Vibrations of the skull and all that. Are you able to record your voice into things other than Sonar and hear the rasp?

This is what I was thinking first. If the rasp hasn't been washed away by reverb, and the microphone is decent,
there is no reason for the rasp to be inaudible. A sweep with an EQ boost could reveal the main frequency of the raspiness and help to enhance it. Then again, it's also a question of the type of raspiness. Is it the kind that you hear singing relatively low-pitch melodies in a relaxed way, or is it like Rod Stewart and the likes that dominates no matter how or what you sing?
 

I would go with trying different mics and trying different mic angles and positions. A few centimeters makes a huge difference on vocals.

A nice head cold always helps.... tho it's hard to get thru an entire session without the nose clearing routine interupting. 

I read a story about John Lennon recording the vocals for Twist And Shout. They scheduled it for the last track of the session, because he knew he'd blow out his voice on that track and not be able to sing properly for a while afterwards.

If you have a raspy voice and performance it should be no problem to capture.  I did some demos for a female guitar/vox and she had the sweetest voice.  Except on one song, the chorus, and she would go all rapsy.
 
If there is rasp there, you need to bring it out more in performance.  Then you can try to augment it.  If it ain't there, augmentation won't have much effect.

Just wrote out a nice long post and the spam filter must have ate it because I pressed "Post" and its gone !
Please Cakewalk fix this issue of the disappearing posts. Its getting frustrating.
 
The shorter version...
It could be your headphones distorting a little bit because of high levels while recording vocals.
Try to run a few tests by turning down your monitoring level and listen.
 
Part 2 was about EQ. use EQ to bring out the gravel. try 800Hz to 1K.
Also try 3K but be careful this can lead to excessive sibilance if not careful.