The little round lumps will turn into pinheads .. just give it some time.BTW - if your cake is 100% colonized, you can't birth them TOO early...
~loathe~
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The girl he had dragged along to the pub with him had grown to loathe him dearly over the last hour, and it would probably have been a great satisfaction to her to know that in a minute and a half or so he would suddenly evaporate into a whiff of hydrogen, ozone, and carbon monoxide. However, when the moment came she would be too busy evaporating herself to notice it.
-Douglas Adams, The Hitchhiker's Guide to the Galaxy