The heartiness of polenta makes it a comforting menu addition when autumn's chill sets in. The coarse grains develop their characteristic mushiness when they're mixed with simmering liquid, so reserve some stamina for stirring.
Grated zucchini and chopped blanched spinach, mixed with onions sauteed with bacon, parsley, and garlic, bound with eggs, topped with grated Parmesan, and baked.