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| | Leavening |
 | | Leavening is that which gives breads, cakes, muffins, pancakes, cookies, and so forth the ability to rise and increase in volume. |
 | | For example, a recipe might require sugar and butter to be creamed, representing one type of leavening (air), and call for baking powder as well, which is another type of leavening (carbon dioxide). |
 | | Some leavening agents work quickly to produce the gas and if the batter or dough sits around or is stirred too much prior to baking, the oven spring (rising in the oven) will be diminished. |
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