Emietté de maquereau aux herbes et au citron de Menton

mackerel fillet 50.0% , extra virgin olive oil 19.7% , onion 11.9% , lemon juice 6.1% , tomato 4.7% , herbes provençales 1.8% , tapioca 0.4%? , salt 0.4% , herb 0.4% , citron de Menton 0.6% , spice 0.0%

? — listed for this product but not on the label in this language; recipes can differ by market.