Bread unpredictable since the steam is not produced until the bread is baked. Steam leavening happens regardless of the raising agents (baking soda, yeast, baking powder, sour dough, beaten egg white) included in the mix. The leavening agent either contains air bubbles or generates carbon dioxide. The heat vaporises the water from the inner surface of the bubbles within the dough. The steam expands and makes the bread rise. This is the main factor in the rising of bread once it has been put in the oven. CO generation, on its own, is too small to account for the rise. Heat
Bread bowl Bread bowl A bread bowl is a round loaf of bread which has had a large portion of the middle cut out to create an edible bowl. They are typically larger than a roll but smaller than a full sized loaf of bread. Bread bowls can be used to serve chili, New England-style clam chowder, and other thick stews (often, but not always, with a cheese or cream base). Soups with thinner bases are not generally served in bread bowls, as the broth would make the bread get too soggy too quickly. The bread becomes flavored as it absorbs some