Prepare the slaw, fit KitchenAid® 7 cup Food Processor with the shredding blade and load the feed tube with the cabbage and shred on high, continue with the carrots, radish and red onion. Put vegetables in a medium size bowl and 1⁄4 cup of rough chopped cilantro and toss them together. ln a separate bowl mix mayonnaise,the juice of half a lime, vinegar and sugar until well mixed.
Pour mixture over slaw and stir together. To prepare salsa, fit KitchenAid® 7 cup Food Processor with Multipurpose Blade and add serrano pepper, garlic and red onion, secure lid and pulse every few seconds until food is minced. Add cucumber and pulse until cucumber is in medium pieces. Add watermelon, mango and 1⁄4 cup cilantro leaves and pulse just until pieces are small - do not over process or salsa wilt be to runny.
Add juice of half a lime over salsa. To prepare Poblano cream sauce, broil peppers untilskins are black remove and discard skin and seeds. Fit KitchenAid® 7 cup Food Processor with Multipurpose Blade and add peppers, sour cream, garlic powder, onion powder, chipotle powder, 1⁄4 cup cilantro leaves and juice of half of a lime, process on high until smooth. Heat grill to high heat, season fish with chipotle powder, salt and pepper, coat with olive oil. Place fish on aluminum foil and cook approximately three minutes a side or until fish flakes apart. Remove from grill and break into medium size pieces and squeeze the juice of half a lime over fish. To assemble tacos, use two shells for each taco add fish then slaw, serve salsa on the side, top with avocado slices, cilantro and creamy poblano pepper sauce.