To make meatballs combine first 5 ingredients and roll into 1/2 inch balls. Drop balls in a large pot of boiling salted water and simmer for 6 minutes.
Pour broth in slow cooker, adding meatballs. Cook on low for 6 to 8 hours or high for 3 hours. Half way through cooking add spinach and pasta.
Drizzle each bowl of soup with parmesan cheese before serving.
Sorry, there is no nutrition information available for this recipe.