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Cake w/diplomat cream early assembly?

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Cake w/diplomat cream early assembly?

youareabunny | Sep 26, 2013 12:25 AM

Hi. It's my boyfriends birthday tomorrow and I'm going to make him a fraisier as that's his favorite cake. However I don't have strawberries, but I have peaches. So it's going to be a pechier. Anyway....

It's basically two layers of genoise with either pastry cream or mousseline betwixt, and fruits. I am going to do pastry cream but I want it a bit lighter so will lighten with some whipped cream

He comes home at 6ish and we will goto dinner 7:30-8ish... Be gone 1.5-2.5 hours... So home around 10 let's say. When can I assemble it? I could aim to have it finished and in the refrigerator by 6 so it's ready for when we get back. Or will it all leach out or melt? I will keep a low ratio of WC to PC, maybe .5:1. Or .5-1.5. Maybe that will aid in stability? I could assemble it when we get home but that means it will get in the refirgerator 10:30-11 and then needs to sit for at least 45 minutes is my guess. By the time we eat it it won't be his birthday anymore.

I'm probably over thinking this but any tips/assurances are much welcome.

Edit. Won't be using gelatin and I'm trying to make a relatively small cake as it's just two of us, but once cut will it last? If it falls apart he will still eat it, but in that case I'd rather make two smaller cakes than one medium one.

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