Filets de Maquereaux (Sauce Escabèche)

Ingredients

mackerel fillets 56%, water, spirit vinegar 11%, sunflower oil 6.6%, onion powder 1.7%, tomato paste 1.6%, salt, garlic puree, thickeners: guar gum, xanthan gum, shallot powder, onion extract, parsley, white pepper, spice extracts, traces of celery, eggs, milk and mustard,