Grilling: Tilapia Fish Tacos

INGREDIENTS

• 1 cup sour cream
• 2 teaspoons pureed canned chipotle chiles in adobo
• 1/4 teaspoon kosher salt
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• 2 pounds tilapia
• 1/4 cup canola oil
• 1 tablespoon ancho chile powder
• 2 teaspoons kosher salt
• 8 6-inch corn tortillas
• 1/4 head of red cabbage, finely shredded
• 1 medium white onion, halved and thinly sliced
• Fresh cilantro leaves
• Lime wedges