Roast beef with red cabbage and mashed potatoes

Ingredients

• 1¼ kg beef eye round roast (boneless)
• 620 g red cabbage (braised)
• 1 kg potatoes
• ½ leek
• 1 stalk celery
• 1 carrot
• 1 shallots
• 1 tomato
• 1 tbsp tomato purée
• 3 peppercorns (whole)
• 800 ml beef stock
• 5 juniper berries
• 3 cloves
• 2 bay leaves
• 100 g butter
• 175 ml milk
• 1 tbsp starch
• 1 tbsp water
• parsley for serving
• oil for frying
• nutmeg
• salt
• pepper