On Tue, 05 Oct 2004 15:21:49 +0000, Wcsjohn wrote:

> 1) Simple, very intense heat without any apparent leavening. Chappattis

(steam)

> 2) Chemical raising agents. Soda Bread
>
> 3) Commercial yeast.
>
> 4) Sourdough
>
> 5) A variety of Clostridium bacteria ("Salt Rising Bread")
>
> 6) Injection of CO2 under pressure. Dr Dalgleish's Aerated Bread Company
>
> 7) Incorporation of layers in the dough. Paratha
>
> Whether this counts as "many" is open to argument.
>
> John

Steam plays a part in some of these.

..... and let us not forget baking soda.

Somehow eggs seem to want to join this party but i don't know who
invited them. It seem right though, no?