Michael van de Elzen: Reuben sandwich

Ingredients

• 400g corned silverside
• 2 bay leaves
• 1 tbsp black peppercorns
• 12 slices rye sourdough, thin sliced
• ½ cup Dijon mustard
• 6 large gherkins
• 250g sliced Swiss cheese
• 1 tbsp grapeseed oil
• ½ onion, finely sliced
• 1 tbsp crushed garlic
• ½ savoy cabbage
• ½ tsp sea salt
• ½ cup cider vinegar
• ¼ cup apple cider
• ¼ cup water