Turkish Kitchen - Turkish mackerel sandwich

Turkish mackerel sandwich 

500 grams of mackerel fillet

1 sliced ​​onion

1 red pepper slices

1 yellow pepper slices

1 green pepper slices

olive oil

Salt, pepper

Sandwich grease thieves 

1/2 cup olive oil

2 tablespoons pomegranate molasses 

2 teaspoon sumac

1 teaspoon paprika

For sandwiches:

Lavash bread or tortilla

lettuce