oh yeah, I read this the other day.
The base of the sauce for bolognese traditionally contains not only carrot, but also celery. Well I say traditionally. That might just be the French version.
( Moon Girl Technologies horrendous beanbag, Thu 18 Jun 2009, 20:31, archived)

I don't like this idea at all
We use blended mushroom skin and tomato to make the sauce bit
( Methylene Blue - electrohead, Thu 18 Jun 2009, 20:34, archived)