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1
Preheat the oven to 500 degrees F.
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2
In a 12 to 14-inch saute pan, heat 2 tablespoons butter over medium-high heat and add the onion, carrot, celery and salt and pepper, to taste, and cook until softened and golden brown.
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3
Add the sausage and chicken, and cook until browned.
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4
Stir in the tomatoes and cook until they have broken down and released their juices.
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5
In a separate bowl, combine the mushrooms and cheese.
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6
Prepare the soft polenta according to the recipe and pour 1/3 into a buttered casserole.
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7
Place a few dots of butter from the remaining 2 tablespoons on top of the polenta, then top it with 1/3 of the meat and tomato mixture, then with 1/3 of the cheese and mushroom mixture.
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8
Repeat until all the ingredients are used up.
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9
The top layer should be cheese and mushrooms.
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10
Cook in the oven for 15 minutes and serve.
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11
In a 3-quart saucepan, heat water and salt until boiling.
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12
Drizzle in polenta in a thin stream, whisking constantly, until all polenta is incorporated and mixture begins to thicken.
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13
Switch to a wooden spoon, pull off heat and continue to stir until thick as paste.
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14
Stir in the cheese and continue to stir until it is melted and incorporated.