Ginny Sher wrote:

> r>How old is your baking powder?
> >Have you tested it lately?
>
> How does one "test" baking powder? I've often wondered if mine was
> still effective.

Baking Soda - mix =BC teasp with 2 teaspoons of vinegar. The mixture
should start to bubble immediately

Baking Powder - mix 1 teasp in 120ml/4fl.oz.of hot water. If it fizzes
it's still ok to use.