poke a knife into it
if it comes out clean it's cooked, if it comes out with cake mixture on it, it's not.
( asparagus time Is in Brazil., Mon 11 Jul 2005, 16:08, archived)

is it likely to sink
if I do that before it's cooked? fairy cakes only take 10-15 minutes to cook, I'm assuming a whole cake takes a lot longer
( Jadeviper was still alive on, Mon 11 Jul 2005, 16:11, archived)

I work on about 20-30 mins
always seems to work...
(P-nut Obsessive Compulsive Green Day Disorder..., Mon 11 Jul 2005, 16:16, archived)