1. Peel shrimp; devein, if desired.
2. Sauté ginger and garlic in hot oil in a large Dutch oven over medium-high heat 1 to 2 minutes or until fragrant. Add broth and next 5 ingredients. Bring broth mixture to a boil, and reduce heat to medium. Add mushrooms and bell pepper, and cook, stirring often, 3 to 5 minutes or until crisp-tender. Add shrimp, and cook 1 to 2 minutes or just until shrimp turn pink. Remove from heat. Add basil, next 2 ingredients, and, if desired, chile pepper.