¼ cup mayonnaise
2 tablespoons sour cream
3 Peppadew peppers, finely chopped, plus 1 teaspoon Peppadew juice from the jar
1 scallion, finely chopped
½ small shallot, finely chopped
¼ teaspoon kosher salt
¼ teaspoon freshly ground black pepper
2 tilapia, or other mild white fish fillets (about 1 pound), halved lengthwise and each halve sliced crosswise into 3 pieces
2 limes, 1 halved and the other cut into wedges
½ cup panko (Japanese breadcrumbs)
¼ cup cornmeal
3 tablespoons Jamaican jerk seasoning, divided
½ cup canola oil
12 warm corn tortillas
Fresh cilantro leaves for serving