I have made a trifle for tomorrow. This is not a discussion about whether that is unreasonable, whether trifle is delicious or disgusting, or what should go into a trifle - it is about the use of sprinkles on top.
I have never put sprinkles on top of a trifle before but would like to do it for tomorrow's trifle. I do not put whipped cream all over the top - I don't like cream so I'm just piping some blobs around the edge. The trifle is all prepared and in the fridge. If I put the sprinkles on now will they bleed colour into the custard? Do I need to wait until the last minute before putting them on? Your advice would be welcomed!