Step 1

Put all ingredients in a large Crock Pot or slow cooker

Step 2

Cook on low for 6-8 hours

Step 3

When finely chopped veggies are very soft and cooked through the soup is done

Step 4

Finish soup with an immersion blender or put in small batches in the regular blender

Step 5

Garnish with additional basil and parmesan