For the soup base
01 -
1 tablespoon olive oil
02 -
12 oz (340 g) fully cooked Italian chicken sausage, sliced into 1/2-inch rounds
03 -
1 medium yellow onion, diced
04 -
2 medium carrots, diced
05 -
2 celery ribs, diced
06 -
4 garlic cloves, minced
07 -
1 tablespoon tomato paste
08 -
1 teaspoon Italian seasoning
09 -
1/4 teaspoon red pepper flakes, optional
10 -
1/2 teaspoon kosher salt, plus more to taste
11 -
1/4 teaspoon black pepper
For simmering
12 -
1 can (14.5 oz or 410 g) fire-roasted diced tomatoes
13 -
2 cans (15 oz each or 425 g each) cannellini or great northern beans, drained and rinsed
14 -
6 cups (1.4 L) low-sodium chicken broth
15 -
1 Parmesan rind, optional
To finish
16 -
1 bunch kale, stems removed and leaves chopped
17 -
1 tablespoon fresh lemon juice, plus more to taste
18 -
Grated Parmesan, for serving, optional
19 -
Extra virgin olive oil, for serving, optional