Calf consumes spice - bergamot (7)

I believe the answer is:

iceberg

I'm a little stuck... Click here to teach me more about this clue!

'calf' is the definition.
(I've seen this before)

'consumes spice bergamot' is the wordplay.
'ICEBERG' is hidden in amongst the letters.
But, I am unsure how this is indicated.

Can you help me to learn more?

(Other definitions for iceberg that I've seen before include "One destroyed the Titanic" , "Hazard in Arctic sea" , "Floating piece from glacier" , "Growler" , "Large block of frozen water" .)

I've seen this clue in The Irish Times.

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