Dreiling shared the key ingredients and their proportions, for making your own baking powder. That mixture, says Dreiling, is simply "1 part baking soda with 2 parts cream of tartar and 1 part ...

Note: This activity works best if you make your own “baking powder” by mixing cream of tartar, baking soda, and cornstarch. 1. Show students samples of baking soda and baking powder and ask students ...

Bicarbonate of soda has a limited shelf life so check the sell-by date when using it; otherwise your cakes might literally be a flop! You can make your own baking powder by combining 15ml/1tbsp ...