noun[mass noun] British
- Flour that does not contain a raising agent: make a dough with plain flour and a little waterMore example sentences
- Self raising flour is just plain flour with some rising agents added.
- Meanwhile, beat the egg yolks, another 40g of castor sugar, cornflour, plain flour and the remaining milk together in a bowl until smooth.
- Sift 400g plain flour and a half-tsp salt into a bowl.