Corned beef with Soubise sauce

1.Combine wagyu, wine, vegetables, herbs and pepper in a large saucepan, cover with cold water, bring to the simmer and cook over low-medium heat until cooked through (1 hour 30 minutes-1 hour 40 minutes).

2.Meanwhile, for Soubise sauce, blanch onion in a large saucepan of boiling water until just tender (1-2 minutes). Drain, combine in a large saucepan with half the butter, cook over low heat, covered and stirring occasionally, until onions are very tender but not coloured (1 hour). Process in a blender until smooth. Meanwhile, heat remaining butter, cloves and bay leaves in a separate saucepan over medium-high heat, add flour, stir occasionally until sand-coloured (1 minute). Add milk a little at a time, stirring vigorously between each addition until combined and smooth. Stir through reserved onion mixture, season to taste, keep warm.

3.To serve, drain beef, slice and serve hot with Soubise sauce, potatoes and cavolo nero.