I made 7 minute frosting last night for my husbands birhtday cake. My question is do you have to refridgerate this cake because of the egg whites? It looked a little droopy this morning nad for health reasons I don't know if it's still okay to eat it. I am starting a cake business and I need this info for furture reference. Is this a good icing for cakes I sell to customers...i.e does it keep well?
7 minute frosting is only good for 24 hours. i actually have not let it go for more than 12 hours. it gets sticky or something and is not as good as when it was just made. i like it a lot though.
I love 7 minute frosting as well...and have set it in the fridge before. But, only for family use, it definitely doesn't stay glossy and yummy looking for customers - although the taste is still there. My family has also eaten it next day unrefrigerated, no one died! 
If it were more versatile, I'd use it more for customer cakes. I think cupcakes can be more forgiving....I plan to try it, anyway!
Best of luck to you!! 
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