These delicate little trout tartlet canapés may look like simple mouthfuls but they are packed with complex flavours. The trout roe is brined overnight in a solution of soy sauce, sake and mirin, the crème fraîche has a wasabi kick to it and the trout itself is flavoured with yuzu, soy sauce, charcoal oil and sesame seeds.
First make the batter for the tart cases, the day before you intend on serving. Place all the ingredients (apart from the vegetable oil) in a bowl and use a hand blender to mix together. Cover and leave to rest in the fridge overnight
Place the crème fraiche in a muslin cloth and leave it to hang overnight in the fridge (place a bowl underneath it to catch any liquid)
The trout roe needs to brine for 12 hours too. Whisk together all the ingredients except the trout roe. Pour this mixture over the trout roe and leave in the fridge to brine for 12 hours
The next day, remove the hung crème fraiche from the muslin cloth - it should have thickened up. Add the rest of the ingredients, then place in the fridge for 2 hours to infuse
To make the tart cases, give the batter another blitz as it may have separated slightly. Bring a deep pan of oil to 180°C. Luke creates these cases by dipping a hot iron into the batter, then lowering it into the oil to make a very crisp, crunchy tart shell. If you don’t have a hot iron, you could try using mini metal tart shells – dip them in the batter, then drop them into the oil and once crisp carefully remove them. Reserve the cases in a dehydrator or very low oven until needed to ensure they remain crisp
Just before serving, season the trout with sea salt, yuzu juice, soy sauce, charcoal oil and the sesame seeds to taste. Pass the infused crème fraiche through a fine sieve into a piping bag
To build the tart, pipe some crème fraiche into the bottom of each shell, followed by 10g of the trout. Top with a tablespoon of the drained trout roe and serve immediately
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