Grits are a food that originated in the Southern United States, where they have been a staple food for centuries. The dish is made from ground corn that has been treated with an alkaline solution, such as lye or lime, which helps to remove the outer hull and germ of the corn, leaving behind the starchy endosperm.
The origins of grits can be traced back to the Native American communities that inhabited the Southern region of what is now the United States. They made a similar dish using a process called nixtamalization, which involves soaking corn in an alkaline solution to make it more nutritious and easier to grind.
The use of grits as a food staple was later adopted by European settlers, who also introduced new ingredients and techniques to the dish. Today, grits are enjoyed throughout the United States and are often served as a breakfast food or as a side dish with meat, seafood, or vegetables.