hocolate and cocoa seem to mask flavors very effectively.  I am not sure how to use stevia for baking.  That will take some experimentation and most likely require combining stevia with other wholesome sweeteners.<br />In all fairness, I have only tried Truvia once in tea, and I found that it had an almost cooling effect on my tongue and considerably less sweetness than stevia.  Many sweeteners come in single serving packets, and as a result they are considerably more expensive per serving. Why 