Duck Breast, Red Cabbage and Celeriac

Name: Duck Breast, Red Cabbage and Celeriac
Prep time: 25 min
Cook time: 1 h 35 min
Total time: 1 h 35 min
Yield: 2 portion
Ingredients: 10 gram salt; 300 gram red cabbage; 200 gram red wine; 100 gram sherry vinegar; 1 pinch sumac; 2 black peppercorn; ¼ piece star anise; 1 clove; 1 bay leaf, dried; 260 gram celeriac; 130 gram whole cow milk; 130 gram double cream (around 48 % fat); 5 gram salt; 3300 gram water; 150 gram salt; 2 duck breast, skin on, boneless; 70 gram beetroot juice; 10 gram cornflour (starch); 10 gram water; 60 gram butter, unsalted (from cows' milk)