The first draft of this recipe included Rice Krispies, but I was only 85% happy with the outcome.
I was hoping to achieve the same texture as you'd find in a Nestle's Crunch. The crispiness was there, but it wasn't pronounced enough.
At the top of the list of alternative crispy ingredients are panko breadcrumbs and soy nuts. I know...I'm sure these sound goofy, but what can I say? This is my process for developing recipes.
On second thought, though, maybe I'll just roll the dough balls in Rice Krispies instead of mixing them in with the dry ingredients. Hmmm...