I have a question about the recipe "Almond Sheet Cake" from Posie Harwood. How long will this frosting keep in the fridge if I make it ahead of time?
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I haven't tried making it ahead, but I think just like regular buttercream you could safely refrigerate for a few days (you might need to re-whip it briefly to soften it before using).
Don't sweat keeping your provisions chill.
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