| 11. | Water is mixed with flour, salt and the leavening agent.
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| 12. | Leavening agents cause dough to rise by producing carbon dioxide.
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| 13. | At this point spices, leavening agents, and often peanut butter or butter are added.
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| 14. | Some flatbreads, such as naan, use leavening agents; others, such as matzo, do not.
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| 15. | Next, the eggs and vanilla extract are added followed by the flour and leavening agent.
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| 16. | Quick bread is any bread leavened with some leavening agents other than yeast or eggs.
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| 17. | Beginning in the 19th century, alternative leavening agents became more common, such as baking soda.
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| 18. | Self-raising flour may be used because it is a mixture of flour and leavening agent.
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| 19. | Leavening agents can be biological or synthetic chemical compounds.
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| 20. | The Hawes family visits a local organic yeast available to be used as a leavening agent.
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