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1
Heat oil in a large ovenproof pot or cast iron Dutch oven over medium heat.
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2
Remove casings from Italian sausage.
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3
Brown hamburger and sausage in the pot, breaking up the meat into small pieces as it cooks.
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4
As meat is browning, place onion, bell pepper and garlic cloves in a food processor and pulse until chopped.
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5
Add vegetable mixture to meat and cook until onion becomes translucent.
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6
Add the basil, oregano, marjoram, pepper flakes, bay leaves, salt, pepper and sugar.
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7
Mix well to incorporate flavors.
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8
When meat is entirely browned and vegetables are cooked add the tomato sauce, stewed tomatoes, tomato paste and wine.
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9
Heat the mixture until just barely boiling and reduce heat to simmer.
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10
Add the grated parmesan and stir to mix thoroughly into sauce.
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11
Method 1 Continue to cook on stove, uncovered for 2-3 hours stirring occasionally to prevent sticking to the bottom of the pot.
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12
This is the the method I typically use.
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13
Method 2 Heat oven to 200 degrees F. Cover pot or Dutch oven leaving lid slightly ajar to allow excess steam to escape.
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14
Bake sauce in oven for 2-3 hours.
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15
Method 3 Transfer sauce to an electric crock pot or slow cooker.
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16
Keep lid slightly ajar with a toothpick in order to allow excess steam to escape.
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17
Cook on low for 4-6 hours.
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18
This method results in a slightly runnier sauce, but is great if you dont have the time to monitor a pot on the stove or in the oven.
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19
Serve sauce with your favorite cooked pasta.