Baking powder is a chemical leavening agent that makes baked goods rise, turn light and fluffy, and bake more evenly.

What baking powder actually does

  • When mixed into wet batter and exposed to oven heat, baking powder’s acid and base react to release carbon dioxide gas. This gas forms bubbles that expand and lift the batter or dough.
  • Those bubbles create tiny air pockets, giving cakes, muffins, pancakes, and biscuits a lighter texture instead of being dense and heavy.
  • As the structure sets in the oven, these gas bubbles get “locked in,” so your baked goods stay risen instead of collapsing.

A quick way to picture it

Think of baking powder as the little built‑in “air pump” in your batter: once it meets liquid and heat, it quietly pumps in gas, expanding the mixture from the inside so it bakes up tall, soft, and tender.

Bottom note: Information gathered from public forums or data available on the internet and portrayed here.