Sort of Italiany Soup

• 1 pound Italian sausage
  
• onions
  
• garlic
  
• white cannellini -- soaked overnight or canned
  
• 2 cans (14-1/2 ounces each) diced tomatoes
• 1 teaspoon dried basil / oregano / Italian seasoning
  
• Spinach and / or other vegetables as you have or want
  
• serve with Parmesan cheese