Grammy Peg’s Christmas Cookies by Bridget Rucki from Benezette, PA Any adventurous baker will love to try this old-fashioned Christmas sugar cookie recipe. One of the ingredients is Baker’s Ammonia (often known as ammonium carbonate) which is a leavening agent. The ammonia evaporates as it cookies to create little air pockets in the cookies. When baked, these cookies hold ...

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