Anybody know a healthy recipe for pecan pie?

I LOVE pecan pie, but I know it's really unhealthy. I want to be able to eat it all the time, but I don't want to gain weight. I am on a very strict diet so i am looking for a recipe that is low calorie, no sugar added, low carb and low fat. I know...I'm really reaching for the stars here. If you have a healthy recipe for pecan pie, PLEASE LET ME KNOW. I LOVEEEE PECAN PIEEEE!!!