8 small corn tortillas, avocado and extra cilantro, to garnish
Preheat grill to medium-high heat. Place fish in large ziploc bag and add olive oil, lime juice, honey, garlic, chili powder, cumin, and cayenne pepper. Season with salt and pepper. Close bag and massage seasonings into fish. Let marinade for 20 minutes.
Prepare slaw: In a medium bowl combine cabbage, cilantro, sour cream, lime juice, and salt and pepper to taste. Place in refrigerator.
Remove fish from marinade and place onto hot grill. Grill fish for 3-5 minutes each side, it will vary depending on the temperature of your grill. Typically the second side will take less time. Remove fish to hot plate.
Grill tortillas for 10-20 seconds each side. Divide fish equally into tortillas, add slaw, and mango and avocado. Garnish with extra cilantro, if desired. Makes 8 tacos total; 2 tacos each.