In a large bowl, whisk mayonnaise, lime juice and zest, Serrano, chili powder and ½ teaspoon salt. Preheat outdoor grill or indoor grill pan over medium-high heat. Brush corn with vegetable oil and season with salt and pepper. Grill corn, turning occasionally to char all sides, 5 to 6 minutes. Remove from grill and using chef’s knife, cut corn from cob into large bowl containing dressing. Fold in bell pepper and diced mango; top with mango, cheese and cilantro. Serve at room temperature or chilled in individual mango cheek bowls.
Nutritional analysis per serving (for 6 servings): Calories 220; Protein 5 g; Carbohydrates 39 g; Fat 7 g; 11% Calories from Fat; Cholesterol 7 mg; Sodium 248 mg; Potassium 513 mg; Fiber 5 g