What is polenta and what is the difference with grits or plain cornmeal? Good questions that are difficult to answer, because part of the answer lays in the marketing of the product. Cornmeal, grits and polenta are all roughly the same.
Differences can be found in the way the cornmeal is ground, fine, medium or coarse. The coarser the grinding the longer to cooking, the coarser the grinding, the more nutrients, the more fiber, the more texture to your end product. There is also a difference between yellow and white cornmeal.
This French polenta from Alpina Savoie is a medium grind and only takes 7 minutes to prepare because it is par-cooked. A yellow corn semolina that will make cooling polenta quick.