Been watching Lifestyle Channel a bit lately, and been wanting to try some of the recipes. though whilst drooling and engrossed in the program, you don’t really write them down. Luckily, they are here:
You can get all the Nigella, Jamie, Rick Stein recipes you’re looking for – for free! 
Now it’s not often that Nigella Lawson, domestic goddess, creates a low fat version of something. Not that she called this lower fat, but I certainly think it is, by virtue of being based on condensed milk, rather than cream, as most fudge sauces are. And it can’t be any easier:
Place all ingredients in a small saucepan, and warm gently until melted together into a lusciously viscous rich sauce. Add a couple of tablespoons of water to prevent from setting too hard.
Pour over ice cream, sprinkle with chopped nuts, and enjoy – blissful in the knowledge that it’s not as bad as it could have been for you!