Lower the Heat to __ What You're Cooking
This page is the CodyCross answer for the clue below from Canada, Group 1271, Puzzle 5 (Polio Vaccine).
Question is: Lower the Heat to __ What You're Cooking
and the answer is: SIMMER
Word Meaning:
SIMMER — (intransitive) To cook or undergo heating slowly at or below the boiling point.
Definitions from Wiktionary.