I made these the other night as hamburger rolls. Really nice flavor. Mine did not rise as much as the original recipe said it would, but I seem to have old yeast. (I hate that!) I split them and we ate falafal on them and then the next day I ate peanut butter and jelly on them. Really tasty. The original recipe comes from a neat little book called "Meatless Burgers" by Louise Hagler and calls for 2 tbsp. sweetner of your choice. I used the sucanat (unrefined cane sugar), but feel free to use whatever you choose. If you have leftover plain mashed sweet potato feel free to use 1 cup of that instead of prepping a sweet potato.