Meeting Cookies How Can I Get Splenda With Unsweetened Choc. To Met Nicely Together To Layer Over Cookies?

How can I get splenda with unsweetened choc. to met nicely together to layer over cookies? - meeting cookies

I'm trying to do w chocolate candies with no sugar / Splenda, because they do not sugar. I wanted to melt, then is the layer of cookies on this hard, but when I added Splenda for chocolate, ..... It turned out like dough. How can the middle-sugar-sweet chocolate, a sweetener free to place cookies on ... o How can I melt chocolate without sugar?

I thank you all for your help ....