“The Brazil nut effect, aka the Muesli effect” forsooth!
O Tempera! O Mores!
When I wor a lad, it were the Cornflake effect! (Seriously! It was!) 
Shaken, not stirred.
djm
Right. That’s what I thought of too.
And I’ve seen a few chicken eggs come out all bumpy like that also.
Yargh. Owee.