8 cups chicken stock1 teaspoons salt1/4 teaspoon freshly ground pepper2 cloves garlic, minced2 large onions, quartered3 large sweet potatoes, peeled and chopped into chunks1 19oz can white beans2 tablespoons extra virgin olive oil plus more for garnish8 oz chourico (whole)2 bay leafs1/4 teaspoon nutmeg (or more if desired)1 teaspoon smoked paprika (or more if desired)5 cups baby spinach