Their very own Hairy Bikers’ burgers, served as stupendous sliders with simply delightful Tyrrells l

Ingredients

• 800g chuck steak, trimmed of any gristle or hard pieces of fat
• 50g bone marrow, finely diced (optional)
• 4 burger buns, split
• flaked sea salt
• freshly ground black pepper
• 100g mayonnaise
• 2 tbsp tomato ketchup
• a squeeze of lemon juice
• 1 large gherkin, finely chopped
• 1 tsp garlic powder
• 1 tsp chipotle paste or other hot sauce
• Tyrrells black truffle & sea salt crisps, to serve