Fish Tacos with Cilantro Lime Crema

1/2 cup sour cream
Zest and juice of 1 lime
1/2 finely chopped fresh cilantro
1 pound white flaky fish (tilapia or something similar)
1 tsp ground chipotle powder
1/2 cup flour
salt and pepper to taste
olive oil
sliced avocado
shredded cabbage
corn tortillas

Mix together sour cream, lime and cilantro.  Season with salt and pepper and set aside.  Mix chipotle pepper, flour and salt and pepper.  Coat fish.  Saute fish in a little bit of olive oil over medium heat - about 3 minutes per side.  Flake fish and divide amongst tortillas.  Top with avocado, cabbage and crema.