My family LOVES LOVES this recipe! The original is great, but I tried some additional variations too which we liked better.
Firstly I toasted the oatmeal in the oven for 45 min. on low heat. This makes the oats crispier. I use almonds and walnuts instead of peanuts and sunflower seeds (I add them to the oatmeal while toasting 10 min. before end).
Last time, I tried out omitting the peanut butter, and instead processed dates with the same amount of honey. It held - but not quite as well, and tasted great.
Oh, and I forgot to mention that I doubled the recipe and both pans were finished within 2 days...