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Lye (Sodium Hydroxide)

A strong alkali used to dip pretzels and bagels. It creates a much darker, shinier, and more authentic crust than baking soda, but requires careful safety handling (gloves/goggles).

By Henry Hunter · Updated

Henry's notes from the bench

  • It sounds scary, but if you want 'real' pretzels, you have to use lye. Just wear gloves and don't splash!
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Sources

  • King Arthur Baking
  • German Baking