Slow-cooker ham with parsley sauce and vegetables recipe | Sainsbury`s Magazine

Ingredients

• 1kg gammon joint
• 2 carrots, peeled and cut into chunky slices
• ½ celeriac, peeled and cut into 2cm chunks
• 1 onion, peeled
• 4 cloves
• ½ tsp black peppercorns
• 20g butter
• English or Dijon mustard, to serve (optional)
• 2 tbsp unsalted butter
• 2 tbsp plain flour
• 50ml whole milk
• 250ml ham stock (from slow cooking)
• handful of curly leaf parsley, finely chopped