Fisher King Mackerel Fillets in Mexican Sauce

Mackerel fillets 50% [mackerel {scomber scombrus (a *), catch area: North East Atlantic fao27}, {scomer japonicus (b *), catch area: Pacific fao61}], Mexican sauce 45% [water, concentrate tomato, rapeseed oil, sugar, spirit vinegar, modified corn starch, salt, spices, dried vegetables (carrots, celery, onion, leek, parsley), aroma, acidity regulator: citric acid; paprika concentrate], corn, pickled red beans (red beans, water, spirit vinegar, salt, preservative: potassium sorbate; sweetener: saccharin).