I loved Rice Krispies and Cocoa Crunch cereals as a kid. As an adult, I have become concerned about the preservatives (and other undesirable ingredients, such as corn syrup) that randomly appear where they don't need to be ... such as in my cereal and wanted something that would be a good substitute.
A few years ago, I went through a phase where I did nearly all of my grocery shopping at either Whole Foods Market or Better Health Market. I was trying an elimination diet to see if gluten bothered me, so I was on a mission to find a cereal which didn't include it.
I bought a couple of other cereals with it. The buckwheat flakes weren't a notable success (although they did taste better when I put raisins in the bowl, too). The puffed rice needed serious sugar and milk to be edible. But EnviroKidz Koala Crisp Cereal by Nature's Path Foods was full of chocolaty goodness.
On the website, it's listed as being "Made with love and ...It's a little too good; actually, it's hard to eat just one serving. This fact led to my first major cereal mix in conjunction with the unsweetened puffed rice. (Try it with 2/3 Koala Crisp and 1/3 puffed rice and your choice of milk or milk substitute.)
Organic brown rice flour, organic evaporated cane juice, organic cocoa, natural chocolate flavor, sea salt, organic molasses.