The recipe is as follows :
4 cups of icing sugar
1 pkg of cream cheese
4 1 ounce squares of unsweetened bakers chocolate
1 teaspoon of vanilla
dash of salt
1/2 cup of nuts (optional)
soften cream cheese then start adding icing sugar (add gradually) melt choc. on low after the cream cheese icing sugar is mixed add choc. put it in a greased pan and put in fridge for several hours or stick in freezer

You don't cook it at all
could splenda be used for this recipe