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

Related terms

Browse the full glossary →

Tastease's cooking wizard explains steps like this one in plain language, right when you need it — while you're actually cooking. Shop smarter, cook with confidence.

Try Tastease free →