INGREDIENTS
2 tbsp
olive oil
1/2
onion, diced
salt
8 oz
spicy Italian sausages, casings removed
3 1/2 cups
low-sodium chicken broth, divided, or as needed
1 1/4 cups
orecchiette pasta, or more to taste
1/2 cup
roughly chopped arugula, or to taste
1/4 cup
finely grated Parmigiano-Reggiano cheese, or to taste