In article >,
Miche > wrote:

> In article >,
> Allan Matthews > wrote:
>
> > What is the ratio of corn starch to liquid when used as a thickener?
>
> Until there is enough.
>
> > Does it have to be broguht to boiling as flour?
>
> Yup.

Nope. Absolutely not. Thickening *without* having to boil is one of its
advantages.

Isaac