Entry from British & World English dictionary
(also castor sugar)
Definition of caster sugar in English:
noun[mass noun] British
Finely granulated white or pale golden sugar.
- In a bowl mix 200g medium desiccated coconut, 50g golden caster sugar and 1 egg white.
- When the colour is exactly right, I will stir in exactly one rounded teaspoonful of golden caster sugar.
- Put the cream cheese, mascarpone, caster sugar, eggs and the extra yolk in the basin of a food mixer (you will need the beater attachment).
Mid 19th century: so named because it was suitable for use in a castor (see castor1 (sense 2)).
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