Calamari with greens

3 tablespoons olive oil 1 medium onion , finely chopped 1 medium carrot , grated 1 stalk celery , very finely chopped 1 sweet red pepper, sliced 4 garlic[...]

kosher salt 5 cups water 1 cup cornmeal 2 tablespoons butter (optional) fresh ground black pepper 1 Bring 5 cups salted water to a boil in a small saucepan;[...]