1. Sauté bell pepper in hot oil 2 to 3 minutes or until crisp-tender.
2. Process sautéed bell pepper, 2 cups chopped mango, and next 4 ingredients in a food processor until smooth, stopping to scrape down sides.
3. Combine pureed mango mixture, green onions, remaining diced mango, and crab. Sprinkle with cashews and cayenne pepper.