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1
Cut the pork shoulder into roughly 1-1/2-inch-square cubes.
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2
Cut the pork fat into roughly 1-1/2-inch-square cubes.
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3
In a large bowl, combine the pork, fat, and cubed bread.
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4
Add the yellow onion, prosciutto heel, ricotta, eggs, parsley, garlic, spices, and salt.
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5
Use your hands to toss the ingredients together like a salad.
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6
Make sure the meats and fat are well coated with the ricotta, eggs, cheese, spices, and salt.
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7
At this point the unground meatball mixture should be coldpop the bowl into the fridge for an hour if necessary.
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8
Set up a food grinder fitted with a 1/4-inch plate.
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9
Feed the meatball mixture through the grinder into a large, clean bowl.
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10
Cover with plastic film and set aside in the refrigerator while you prepare the braise.
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11
Set a large saute pan over medium heat and add 1 tablespoon of the oil.
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12
Add the red onion and garlic cloves and cook until the onion is soft and melted, about 12 minutes.
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13
Add the bay leaves and chile flakes.
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14
Pour in the white wine and turn up the heat to medium-high.
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15
Bring it to the boil and adjust the heat to medium so the wine is at an even simmer.
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16
Let the wine reduce by about two-thirds.
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17
Turn up the heat to medium-high.
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18
Add the kale and let it wilt, tossing two or three times, about 5 minutes.
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19
Add the chicken broth, turn the heat to medium, and simmer to combine the flavors, about 5 minutes.
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20
Turn off the heat and set the braise aside while you shape and brown the meatballs.
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21
Set the broiler to high and arrange a shelf so its about two-thirds from the floor of the oven.
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22
Smear the bottom of a heavy roasting pan with the remaining 2 tablespoons of oil.
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23
Scoop the pork mixture into lumps of a consistent size (an ice cream scoop works well), then roll the mixture between your palms to form meatballs.
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24
Do this as quickly as you can so youre not working the meatball mixture too much.
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25
Arrange the meatballs in a single layer in the oiled roasting pan.
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26
Place the roasting pan under the hot broiler.
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27
Leave until the meatballs turn an even, medium brown on the top side, about 12 minutes (no need to turn the meatballsbrowning the tops is enough to give them flavor and color).
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28
Remove the pan from the broiler, turn it off, and set the oven to 325 degrees F.
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29
Pour the hot braising liquid over the browned meatballsit should cover them by about three-quarters (add a bit of extra broth or water if necessary).
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30
With tongs, spread the braised vegetables evenly over the meatballs.
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31
Cover the roasting pan tightly with foil.
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32
Place the pan in the oven and bake for 1 hour.
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33
Remove from the oven and serve the meatballs directly from the roasting pan, either at the table or in the kitchen.
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34
Spoon four to five meatballs into a warmed pasta bowl, and ladle over the broth and some of the kale and onion.
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35
Optional: Grate a hard cheese like Parmesan or pecorino over each serving, and drizzle with a bit of extra-virgin olive oil.
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36
Serve hot.
