Broth?? For the chilli? Do elaborate.
even though i started with this:
i will give away exactly one chilli secret. there are many more, but this one i'll give.
i'l elaborate.
so you have the skillet going with the beer/pepper reduction and browning the meat in that.
in the gigantic pot you first drop some fat(bacon/ham/something like that) and sweat some onions.
once they get pretty good, dump 3 or 4 bottles of guinness in. that's the only liquid.
then start adding the rest, beans, more peppers, that kind of stuff.
once the meat's good, combine.
that's as elaborate as i can get cause i always wing it.