Zucchini Soup

8-10 cups of cut-up zucchini
½ lb bacon
1 can chicken broth
½ tsp salt
1 tsp basil
1 tsp pepper
2 medium onionsCut up zucchini, fry bacon until crisp, remove. Cook onions in pan until transparent. Combine zucchini, bacon, onions, and remaining ingredients in large pot. Cook until zucchini is tender, adding water if needed. Allow to cool. Put everything in a blender and blend till smooth. Heat for serving. Top with croutons and Parmesan cheese. Leave out bacon to make vegetarian.