I need a cake recipe that would be safe and my rats can eat it to and a frosting?

there first birthday is coming and i want them to be able to eat it and my guinea pigs and dog lol thanksI need a cake recipe that would be safe and my rats can eat it to and a frosting?
rats eat food out of a dumpster....but you can just make a regular cake and put fruit on it, something that they'll like. BTW, rats LOVE eggs, if you threw some raw egg on top of that cake they'd love you foreverI need a cake recipe that would be safe and my rats can eat it to and a frosting?
Carrot and angel food cake are both safe for rats to eat.
cool :) I would google it, I know there are some out there :)

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