It's dd birthday tomorrow and she's having her party on Sunday, when we'll cut the cake. I've just finished making it but I don't know where I should store it It's just a basic sponge with jam and buttercream icing and icing figures on top. Does it need to be refridgerated or in an airtight container? I've put it in one of the spare bedrooms that hasn't had the heating on for months but is this enough?
TIA