Ham Hock Croque Madame with Beer-Caramelised Onions Recipe - Great British Chefs

Ingredients

• 20g of butter
• 2 brown onions, finely sliced
• salt
• 100ml of beer, an IPA works well
• 4 slices of sourdough bread
• 2 tsp Dijon mustard, plus extra to serve
• 2 handfuls of ham hock, cooked and shredded
• 100g of Comté cheese, or Gruyère, grated
• oil, for cooking
• 2 medium eggs
• cornichons, to serve
• 500ml of whole milk
• 25g of butter
• 25g of plain flour
• 2 tsp white miso
• 1/2 tsp ground white pepper
• 50g of low-moisture mozzarella, grated