Cooking In European cooking, a mixture of butter and flour called a roux is used to thicken liquids to make stews or sauces. In Asian cooking, a similar effect is obtained from a mixture of rice or corn starch and water. These techniques rely on the properties of starches to create simpler mucilaginous saccharides during cooking, which causes the familiar thickening of sauces. This thickening will break down, however, under additional heat. Types of fat include vegetable oils, animal products such as butter and lard, as well as fats from grains, including corn and flax oils. Fats are used in a
Flour sack Flour sack A flour sack or flour bag is a cloth sack, usually made of cheap cotton, used to store flour. Flour sacks are often printed with simple designs and trademarks to indicate the millers and companies making or selling the flour. Various place names were named after flour sacks, since they were so ubiquitous in so many cultures. Blatobulgium in Scotland, and Pieniężno in Poland, for example, are possibly named after words for "flour sack" in different languages. The all-white tower in the old city of Ravensburg in Germany is called "Mehlsack". Reuel Colt Gridley famously carried a 50-pound