Sous Vide Jacob's Ladder Recipe - Great British Chefs

Ingredients

• 1 Jacob's ladder, 4-bone
• 500ml of beef stock
• 2l water
• 200g of rock salt
• 20g of pink salt
• 1 tbsp of black peppercorns
• 10 sprigs of fresh thyme
• 1kg Jerusalem artichoke
• 100g of polenta
• 100g of panko breadcrumbs
• 2 eggs, beaten
• 100g of flour
• sea salt
• oil, for frying
• 500g of Roscoff onion
• 150g of salted butter
• 25g of thyme leaves, washed
• 1 large onion, sliced into 16 rings
• milk
• 50 plain flour
• 1 pinch of salt
• 4 Jerusalem artichokes
• 50g of plain flour