But what if you find that you're missing some key ingredients like, say, baking powder? You don't necessarily have to dash out to the store. Hana Dreiling, founder and head baker of Holey Grail ...

Have students list these combinations on their activity sheets ... Have students test the different combinations with water to identify the active ingredients in baking powder. Ask students to suggest ...

What Are the Active Ingredients in Baking Soda and Baking Powder? The baking soda active ... contains an acid — like those included in the list above — then you should simply substitute ...

Baking soda, which contains sodium bicarbonate, needs an acid and a liquid (something like buttermilk does both jobs, which ...