Leavener definitions

Leavener

Ingredient, (Yeast) or process (Whipping Egg Whites) that produces air bubbles and causes the rising of baked goods.
Found on http://www.encyclo.co.uk/local/21216

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Leavener

An ingredient or process that produces air bubbles and causes the rising of baked goods such as cookies and cakes.
Found on http://www.wrenscottage.com/kitchen/glossary.php

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