Tacos:     * 1 pound white flaky fish, such as mahi mahi or orata     * 1/4 cup canola oil     * 1 lime, juiced     * 1 tablespoons ancho chili powder     * 1 jalapeno, coarsely chopped     * 1/4 cup chopped fresh cilantro leaves     * 8 flour tortillas Garnish:     * Shredded white cabbage     * Hot sauce     * Crema or sour cream     * Thinly sliced red onion     * ...