Hot beverages and cold juice mostly put back (6)

'hot beverages' is the definition.
'cuppas' can be an answer for 'beverages' (cuppa is a kind of beverage). I'm not certain of the 'hot' bit.

'cold juice mostly put back' is the wordplay.
'cold' becomes 'C' (abbreviation, eg on taps).
'juice' becomes 'sap' (juice from a plant).
'mostly' means to remove the last letter (most but not all of the word).
'back' says the letters should be written in reverse.
'put' with its final letter taken off is 'pu'.
'sap'+'pu'='sappu'
'sappu' reversed gives 'uppas'.
'c'+'uppas'='CUPPAS'

'and' acts as a link.

Can you help me to learn more?