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Flour is an important part of bread, pasta, cookies, cakes, tortillas. Flour is made in a flour mill where the grain is put between two stones or steel wheels which are rubbed together to make the grains into powder.
The main kinds of flour used in cooking are all-purpose flour, self-raising flour and cake flour. Self-raising flour contains a leavening agent. This makes the food rise (expand) during baking. It produces lighter and softer baked foods by creating small bubbles. Flour that does not have a leavening agent is called all-purpose flour, or plain flour.
- "What is self-rising flour?". Baking Bites. 2 August 2007. http://bakingbites.com/2007/08/what-is-self-rising-flour/.
- Priya Johnson (29 August 2012). "Self-rising Flour Vs. All-purpose Flour". Buzzle. http://www.buzzle.com/articles/self-rising-flour-vs-all-purpose-flour.html.