Ingredients

  • 1 tablespoon olive oil
  • 1 lb mild Italian sausage, casing removed
  • 1 onion, chopped
  • 1 celery rib, chopped
  • 1 garlic clove, minced
  • 12 teaspoon dried thyme
  • 1 bay leaf
  • 4 cups white beans, drained and rinsed (preferably cannellini beans)
  • 10 cups water
  • 1 cup canned diced tomatoes with juice
  • 2 teaspoons salt
  • 1 teaspoon fresh ground pepper
  • 23 lb spinach, stem removed, and leaves washed well (about 1 1/2 quarts)
  • grated parmesan cheese, for serving

Method

  • In a lare pot heat the oil over moderately high heat.
  • Add the sausage and cook, stirring frequently, until browned, about 5 minutes.
  • Remove the sausage with a slotted spoon.
  • Reduce the heat to moderate.
  • Add the onion, carrot, celery, garlic, thyme, and bay leaf to the pot and cook, stirring occasionally, until the vegetables have softened, about 10 minutes.
  • Meanwhile combine 2 cups of the beans and 2 cups of the water in a blender and puree until smoooth.
  • Add the tomatoes, the bean puree, the remaining 8 cups water, the salt, and the pepper, to the pot.
  • Bring to a boil, skimming any foam that rises to the surface.
  • Stir in the sausage, the remaining 2 cups bean, and the spinach.
  • Simmer until the spinach wilts, about 3 minutes.
  • Serve the soup topped with grated parmesan, and pass more Parmesan at the table.