Slow Cooker Pork Puttanesca Ragù

INGREDIENTS

to 3 ½ pounds boneless, skinless pork shoulder

Kosher salt

1 tbsp

olive oil, plus more as needed

large garlic cloves, roughly chopped

anchovy fillets, finely chopped, or 1 tablespoon anchovy paste

2 6 ounce cans

tomato paste

1/3 cup

pitted kalamata olives

1/4 cup

drained capers

1 tbsp

red wine vinegar

2 tsp

red-pepper flakes, plus more to taste

1 tsp

dried oregano

Freshly ground black pepper

1 14.5 ounce can

whole or crushed tomatoes

2 tbsp

fresh lemon juice (about 1/2 lemon)

1 cup

chopped flat-leaf parsley, lightly packed

Grated Parmigiano-Reggiano, for serving