Eli5: Why does a slice of bread keep cookies fresh?

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We always out a slice of bread in with fresh baked cookies. It gets hard while the cookies stay fresh. My son asked why and honestly, I havent thr slightest. Just know it works.
Also, if the bread touches the cookie it will make it soft where it touches.

In: Chemistry

2 Answers

Anonymous 0 Comments

The bread is relatively high moisture and as it dries out, the cookies absorb the moisture which makes them stay moist and fresh. If you put the cookies in a bag with uncooked rice for instance, the opposite would happen and the cookies would dry out and become hard.

Anonymous 0 Comments

And the cookie doesn’t absorb any wierd bread flavour!? This sounds just crazy enough to work and I will now try your method, Sire or Madam