This will beat vegetarian food (5)

I believe the answer is:

pulse

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This might be a double definition.

'this will beat' is the first definition.
'pulse' can be an answer for 'beat' (synonyms). I am unsure of the 'this will' bit.

'vegetarian food' is the second definition.
'pulse' can be an answer for 'food' (pulse is a kind of food). I'm not certain of the 'vegetarian' bit.

Can you help me to learn more?

(Other definitions for pulse that I've seen before include "Throb, quiver" , "Beat; bean" , "Rhythmic throb" , "enjoyed by vegans?" , "runner, possibly" .)

I've seen this clue in The Irish Independent.

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