Baking powder

Double-acting blend (baking soda + cream of tartar + cornstarch). Has its own acid so it works without an acidic ingredient. You cannot swap 1:1 with baking soda. Too much soda gives a metallic, soapy taste.

Baking powder

Used for

  • cakes
  • muffins
  • biscuits
  • pancakes

In the kitchen

  • Measure precisely.
  • Test freshness.

Picking it at the store

  • Test freshness: 1 tsp in hot water should bubble actively.
  • Replace every 6–12 months once opened.

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