Max Coen has a barbecue on standby in the restaurant, meaning he can easily switch between cooking on the hob, oven and barbecue, and it is used throughout this recipe. While cooking over live fire will give the best flavour, if making this in a home kitchen then cooking on the hob in a cast iron pan, or under a regular grill, is much simpler. Max collaborated with Berry Bros. & Rudd, Britain's oldest wine merchant, to select Mas de Daumas Gassac, Rouge, 2015. This unusual wine is a blend of over 20 different grape varieties – an innovative style of winemaking, for an innovative chef.
Toss the sloes in the sugar and salt, then slowly grill the sloes on the barbecue for 30 minutes or until charred on the outside and very soft on the inside. Once softened, remove the stones
Preheat the oven to 190°C, then season the beetroots with olive oil and salt and then wrap in tin foil and roast for 1 hour 30 minutes. Once cooked, and cool enough to handle, peel the beetroot. Set aside 100g beetroot for the jam, and the rest for the beetroot sauce
Make a dry caramel with the caster sugar and then carefully add the plum, 100g beetroot and Assam pepper
Cook gently for 30 minutes, then add the sloes to the pan and cook for a further hour, or until the beetroot is soft
Blend everything together with the basil and fig leaves for in a high-powered blender, then pass through a chinois. When blending, make sure not to use an airtight blender, as the steam will build up pressure in the blender. Instead, allow a vent in the lid
Season with verjus and vinegar to taste, then set aside
For the shiso, plum and aubergine purée, first salt and oil all the vegetables very well
Grill the vegetables on a barbecue until very charred then, once coloured, transfer to a container and cover with a tight lid or cling film so they steam, and set aside until very soft
Blitz the vegetables in a food processor until they form a paste, then set aside
Melt a knob of butter in a saucepan, then sweat the shallots and garlic very gently for about 20 minutes until soft, but not coloured
Add the chilli and peppercorns and cook for a few minutes, then deglaze with the white wine and beer
Add the chicken stock and cook until reduced by half
Blend the shallot and wine reduction with the shiso, garlic oil, rapeseed oil, butter and aubergine paste. Do this in smaller batches if needed. Taste and adjust seasoning
For the hibiscus reduction, bring the hibiscus and water to the boil and let it infuse for half an hour covered with a tight lid
Strain out the hibiscus, then bring the hibiscus tea to the boil with the sugar. Stir to dissolve the sugar, then cook until it reaches 106°C. Remove from the heat
Preheat the oven to 190°C
For the beetroot sauce, first grill the cherries over the barbecue until soft, then remove their pits
Blend the reserved cooked beetroots with the cherries and the remaining beetroot sauce ingredients and 60g of the hibiscus reduction
When ready to serve, sear the venison on all sides and grill on the barbecue for 3 minutes. Rest for 10 minutes and repeat this two times, or until cooked to your liking. Avoid leaving the venison for too long on one side, and instead rotate it frequently so it’s browned from edge to edge
Warm the aubergine and beetroot sauces
Peel the red prawns and grill them on a barbecue for 1 minute on each side, then grill the komatsuna leaves
Fry the halved porcini mushrooms in plenty of vegetable oil, basting them until they turn golden and caramelised. Add a slice of lardo on top of each one to melt as they rest
Just before serving, slice the venison into pieces
Assemble on a piping hot plate. Serve a spoonful of beetroot sauce, aubergine sauce and jam on the base of each plate. Top with a prawn, sliced venison and komatsuna. Drizzle over the venison sauce and sprinkle with chilli flakes

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