What does the cryptic crossword clue "Pulses could make broths (6)" mean?

The definition is "Pulses". The wordplay uses an anagram. anagram of BROTHS = THROBS; definition: "Pulses" The answer is THROBS.

Pulses could make broths (6)

Daily Mail Cryptic #16516 | 5 Across | 2021-02-19 flower