What about doing something like this?
http://userealbutter.com/2008/01/06/zebra-torte-cake-recipe/
Someone on here made it - its looks beautiful
http://www.cakecentral.com/modules.php?name=gallery&file=displayimage&pid=1405729
ooh ahuvas that cake looks soooo yummy!!
the rav said about the cmc that it's a 'davar shenichshar' meaning something like there is no chance of it having anything else in it to make it treif therefore it doesn't really need a hechsher- i suppose like sugar and flour.
Leahk - that shop in jerusalem also sells the sugarflair colours ( I think ) these are all fine. If you call sugarflair they will email you all the kashrus certificates.
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