Making Bread Dough

what does yeast and baking powder do to the dough when you are making bread?

I am making a recipe called Hops Bread originated in Trinidad and Tobago.

Both yeast and baking powder are leavening agents - they make bubbles that get trapped in the dough as it cooks and makes the bread puffy instead of a hard lump.

Yeast is actually a living organism. It metabolises the sugar or starch in the mixture and releases carbon dioxide gas.
Baking powder is a mixture of a mild acid and a mild alkaly that, when wetted, react and make carbon dioxide gas.

Making Bread Dough


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