a staple food made from flour, water, and yeast, typically baked, and is a fundamental part of many cuisines worldwide, with variations ranging from leavened loaves to unleavened flatbreads like pita and tortilla. It can be made from wheat, rye, corn, or other grains, and is used in countless dishes, from sandwiches and toast to savory rolls and sweet treats. Key components Flour: The base, usually wheat, but can be rye, spelt, or corn. Water: Hydrates the flour. Yeast: A leavening agent that makes dough rise by producing carbon dioxide. Salt: Adds flavor and controls yeast activity.