In a food processor, combine sour cream or yogurt, lime juice, garlic, honey or agave and chipotle in adobo. Process until very smooth then place in a squeeze-top bottle or chilled dish.
Preheat grill, grill pan or cast-iron skillet to medium-high heat.
Place fish in shallow dish. In a small bowl, combine spices then season the fish liberally on both sides.
Spray the pan and the fish or drizzle with oil. Cook fish to opaque and cooked through, 6-8 minutes.
Char tortillas on the grill or over a flame, or toast in a hot, dry skillet. Keep warm in a dish lined with a cloth napkin or thin towel.
Set up fixings and build tacos: Grilled fish, lime juice, cabbage, avocado, cilantro, flaked fish, chipotle sauce and pickled jalapeños. Serve grilled corn with lime-hot sauce butter or rice and beans alongside.MORE
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