Fish tacos

Fish Tacos

For the Sauce
1 cup sour cream
1/2 tsp cumin
1/2 tsp ground coriander
1/2 tsp dried dill
1/2 tsp dried oregano
1/2 lime
small handful of fresh coriander
For the Brown Sugar Onions
1 red onion
1 lime
1 1/2 tsp light brown sugar
For the Fish
500 g /1lb firm white fillets
1/2 cup plain flour
2 eggs
1 cup panko breadcrumbs
1 tbsp polenta/cornmeal (optional but it does add a crunch!)
olive oil
To Serve
white cabbage
8-10 flour tortillas
1 green chilli (optional)