Fry bacon in pan. Remove bacon and add onions to bacon grease and cook until tender.

Add zucchini, broth, and garlic to onions in pan and heat until zucchini is tender. Put in blender or use a hand blender and puree mixture. Add the mixture into pan, adding milk, salt, pepper and parsley. Break bacon into small pieces and add to soup. Add the bay leaves. Simmer but don't bring to a boil. Taste and add additional seasoning as needed.