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
Tiger bread Tiger bread Tiger bread (also sold as Dutch crunch in the US and the United Kingdom) is the commercial name for a loaf of bread which has a mottled crust. The bread is generally made with sesame oil, which gives it a distinct aroma, and with a pattern baked into the top made by painting rice paste onto the surface prior to baking. The paste dries and cracks during the baking process. The rice paste crust also gives the bread a distinctive flavour. It has a crusty exterior, but is soft inside. Typically, tiger bread is made as a white