Place all ingredients into the blender jar, except the croutons, and select auto 1. Adjust seasonings, if needed, and chill for at least 1 hour before serving. Add croutons to each serving for garnish.
Cook's Hint: If you prefer a chunky-style soup, reserve some of the chopped vegetables and add just before serving. For a heartier soup, add chilled cooked shrimp just before serving.