self-raising flour

noun
UK /ˌself ˈreɪzɪŋ flaʊə/
US /ˌself ˈreɪzɪŋ flaʊər/

Flour that already has baking powder in it so cakes and bread rise when you bake them.

She used self-raising flour to make the pancakes fluffy.


OTHER MEANINGS

2. Flour blended with a raising agent, sold ready to use for baking.

The recipe calls for self-raising flour, so you don't need to add baking powder.

3. A type of flour that makes dough expand without extra ingredients.

Self-raising flour helps the scones puff up in the oven.

4. Flour with added chemical leavening, common in British baking.

In the UK, self-raising flour is a pantry staple for sponge cakes.