A base of homemade Parmesan brodo—vegetables boiled alongside salty rinds of cheese—gives a next-level upgrade to this Italian cousin to grits. Greenville chef Michael Kramer, who shares his recipe for slow-cooked polenta in his debut cookbook, Jianna, uses heirloom ground corn from Colonial Milling Co. out of Pauline, South Carolina, and fries up next-day leftovers to make polenta cakes.
