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Glossary

Baking powder

Baking powder

Pronounce it: bay-king pow-dah

Baking powder is a raising agent that is commonly used in cake-making. It is made from an alkali, bicarbonate of soda, and an acid, cream of tartar, plus a filler like cornflour or rice flour which absorbs moisture.

The powder is activated when liquid is added, producing carbon dioxide and forming bubbles that cause the mixture to expand. For this reason, it is important to get your cake mixture into the oven quickly once the 'wet' ingredients have been added to the 'dry' ingredients.

Self-raising flour is made from plain flour combined with a small amount of baking powder.

Prepare it

To make baking powder, combine half a teaspoon of cream of tartar and quarter of a teaspoon of bicarbonate of soda. This provides the equivalent of one teaspoon of baking powder.

To make self-raising flour add one teaspoon (or equivalent homemade) to 110g of plain flour.

Store it

In an airtight container in a cool, dry place.

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