Sous vide Jacob's ladder, Jerusalem artichoke chips, Roscoff onions

Ingredients

Fresh Meat

  • 1 Jacob's ladder, 4-bone

Store Cupboard

  • 500ml of beef stock
  • 200g of rock salt
  • 1 tbsp of black peppercorns
  • 100g of polenta
  • 100g of Panko breadcrumbs
  • 100g of flour
  • sea salt
  • 50 plain flour
  • 1 pinch of salt
  • 50g of plain flour
  • sea salt

Beverages

  • 2l water

Speciality Ingredients

  • 20g of pink salt

Salad & Fresh Herbs

  • 10 sprigs of fresh thyme
  • 25g of thyme leaves, washed

Fruit & Vegetables

  • 1kg Jerusalem artichoke
  • 500g of Roscoff onion
  • 1 large onion, sliced into 16 rings
  • 4 Jerusalem artichokes

Dairy

  • 2 eggs, beaten
  • 150g of salted butter
  • milk

Oils & Vinegars

  • oil, for frying