Coat large pot with nonstick cooking spray and sauté chopped onion, chopped
celery, minced garlic and green pepper (seeded and chopped) until tender. Add
peeled and diced sweet potatoes (or add two 15-ounce cans sweet potatoes,
drained and diced, at end of cooking). Stir in frozen corn, cream-style corn,
tomatoes and green chiles, tomato paste and broth; bring mixture to boil. Add
shrimp and continue cooking until shrimp is done, about 10 minutes. Add salt and
freshly ground pepper to taste. Garnish with green onions (scallions - white and
tender green parts) if desired.