This is probably a silly question but I have been looking at a few buttercream recipes that call for whipping cream. May I presume that the cake would then have to be refrigerated?
Thanks in advance!
No, you don't need to refrigerate a cake iced in a buttercream made of powdered sugar, shortening/butter, and whipping cream--unless the filling in the cake needs refrigeration. The sugar and fat in the cream acts as a preservative and it's safe at room temp for a day or two.
I use this icing all of the time and have never had an issue with it.
HTH
Rae
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