How do you dispose of old baking powder?

Answer 1

if you use old baking powder, the cake will not rise properly. To test the baking powder to see if its still good, put one teaspoon of baking powder in a glass, add a little water, if it foams real good, you can use it, otherwise throw it out and get new.

Answer 2

Since baking soda is both water soluble and non-toxic, you are free to wash it away down your sink or toilet.

Answer 3

In the trash.

Answer 4

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