Crossword Genius

Cake club enter GB running (10)

Ross

I believe the answer is:

battenberg

'cake' is the definition.
(battenberg is a type of cake)

'club enter gb running' is the wordplay.
'club' becomes 'bat' (as in sporting equipment).
'running' indicates an anagram.
'enter'+'gb'='entergb'
'entergb' anagrammed gives 'tenberg'.
'bat'+'tenberg'='BATTENBERG'

(Another definition for battenberg that I've seen is " Marzipan-covered sponge cake".)

I've seen this clue in The Times.
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