In a large deep pot, heat oil. Add garlic and onion; saute until softened. Add chicken broth, tomatoes, corn and chile and simmer for 15 minutes. Add zucchini and basil; simmer for 5 minutes longer. Serve hot, passing garnishes of sour cream and cilantro. From 1993 "Shepherd's Garden Seeds Catalog," pg. 43. Electronic format by Cathy Harned. Submitted By CCH@SALATA.COM (CATHY HARNED) On 02 JAN 96 114815 -0800