This recipe for shime saba (Japanese soused mackerel) from Angelo Sato is an excellent way to enjoy very fresh mackerel. The mackerel is served with some refreshing but intricate shiso gazpacho-infused compressed cucumber, that has been stuffed with mackerel belly tartare. For the parsley and shiso oil, check out our recipe for more details on how to make herb oils from scratch.
Fillet the mackerel and keep the skin on. Season both sides with salt and cure for 30 minutes
Meanwhile, combine all the ingredients for the saba vinegar and simmer until the sugar has dissolved
Gently rinse the salt off the mackerel well
Cure the mackerel in the saba vinegar for 30 minutes
Marinade all the ingredients for the shiso gazpacho, except for the shiso and parsley oil, for 30 minutes
For the ponzu base, bring the soy sauce, rice vinegar, mirin and sugar to a simmer
Remove from heat and add the bonito flakes and lemon juice, then pass through a chinois. Set aside
Pat the mackerel dry, then remove the centre bone, trim the belly fat for use in the mackerel tartare, and then slice the cured mackerel into 1 cm slices
Blend the gazpacho ingredients together with 145g of ponzu base, then mix together the shiso oil and parsley oil and add to the gazpacho
Slice half the cucumber into 1 cm thick rings. Punch out the centre of the cucumber rings with a ring cutter so that they are a doughnut shape
Use a melon baller to scoop balls of cucumber from the other half of the cucumber
Compress both the rings and the balls of cucumber in 100g shiso gazpacho
Dice the mackerel belly. Season with salt to taste and add the shiso and sesame oil
Stuff the mackerel tartare into the compressed cucumber rings
To serve, place 4 slices of mackerel on each plate, then garnish with the cucumber balls and stuffed cucumber. Dot about some umeboshi and add 30g shiso gazpacho to each plate. Garnish with the leaves and herbs
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