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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Leavening agent:

YEAST: Leavening agent
YEASTS: Leavening agents
BAKINGSODA: Leavening agent
SODA: Leavening agent.
BAKINGSODA: Part of a leavening agent.
BICARB: Leavening agent, briefly
YEASTERUPTED: Leavening agent exploded?
SHORTCRUSTS: British pastries with no leavening agent
YEAST: Bread-leavening agent