I'm still getting the site going again, so be patient with the lack of information...
I thought I'd share the process of making Krispy Krunch with you. All the ingredients used are human grade, except the cat food! All the ingredients are chosen based on their nutritional value as well as rat taste preferences.
The pearl barley and organic barley flakes
Buckwheat and Dry Cat food
Craisins and Dried Goji Berries
Organic Oat Kernals and Rolled Oats
Pepitas (you can't see them here), Puffed Rice,
Puffed Wheat, Organic White Quinoa, Organic White Quinoa
Flakes, Rice, Risoni Pasta
Soy Grits, Organic Spelt Grain, Organic Spelt Flakes, 
Yellow Split Peas, Sultanas, Sunflower Seeds, Wheat
And the finished product: