In a message dated 12/26/2012 3:30:20 P.M. Eastern Standard Time,  
[email protected] writes:

Baking  POWDER is made with Baking SODA and often has another
ingredient added to  it so it can also rise in the presence of heat,
and that ingredient may be  an aluminum compound.





Yes, you mix 1 part baking soda (bicarbonate of soda) and 2 parts cream  of
tartar and use that mix the same as baking  powder.---Lois