Roast beef and horseradish sandwich

Ingredients

Bakery

  • 2 brioche buns

Dairy

  • 40g of butter, softened
  • 200g of créme fraiche
  • 50ml of double cream

Beverages

  • 150ml of water

Oils & Vinegars

  • 100ml of cider vinegar
  • 10g of Chardonnay vinegar