At 09:48 1999-08-20 -0700, Bill wrote:

>Almost any food can be made into a soup or stew this way. The rocks
>would have to be of a convenient size, but would not have to be worked,
>so evidence of this method would last only as long as the baskets.

Some of the cooking stones crack due to temperature change, and are
easy to detect thousands of years later. They are a very common
evidence of cooking.

- Hans