Preparation / Directions:
Combine all but 1 teaspoon of the lemon juice in a bowl with 1/4 cup of the cilantro, the chile powder and the salt. Add the cubed fish and turn gently to coat with the marinade. Let stand 1 to 2 hours at room temperature.
Warm the tortillas on the grill, in a steamer or in the oven.
The sauce: Combine the Mexican crema, sugar, milk, minced chile and the remaining teaspoon of lemon juice; mix well.
Thread the fish onto skewers and grill over medium heat for 3 or 4 minutes on each side until just cooked through. Remove the fish from skewers onto double layers of warm tortillas. Add a little of the remaining cilantro, some red and green cabbage and a tablespoon of sauce to each; roll or fold and serve.
Makes 6 tacos.
From an article by Georgeanne Brennan, The San Francisco Chronicle, 7/1/92.