Most often made by simmering on the stovetop, the stove is where the true-to-its-name gritty grits typically mix with water, salt, and butter to transform into a hearty bowl of porridge.

Grits are made from dent corn, which has a soft, smooth texture when cooked. Polenta, on the other hand, is made from coarser flint corn, which is more gritty and toothsome. Pour the stock into a ...