1
red onion
1 tablespoon
salt
2 tablespoons
sugar
1
part water
2
parts cider vinegar
3/4 pound
pollack or hake or other good white fish
1/2 teaspoon
ground cumin
1/4 teaspoon
ground ancho chile or chipotle
1 tablespoon
olive oil
1
avocado, cut into 1/8-inch slices, lengthwise
1 bunch
cilantro, washed and dried
2
limes, each cut into 6 wedges
12
corn tortillas