Soused Mackerel - cooking recipe

Ingredients

2 lbs mackerel, filleted,skinned,and deboned
1 cup white vinegar
2 slices onions (thin)
1 1/2 tablespoons mustard seeds
1 teaspoon celery seed
1/2 teaspoon turmeric
1 teaspoon salt
1/2 cup water

Preparation

Cut each fillet into 6 pieces.
Put in a baking dish in a single layer.
Sprinkle with onion.
Add mustard seed, celery seed, turmeric, salt, vinegar, and water.
Cover the dish.
Bake in a preheated 350F oven for 30 minutes.
Serve hot or cold.
I keep any leftovers in a covered glass dish in the fridge.