Foryoueats: Insanity Burger From 'Jamie Oliver's Comfort Food'

Ingredients

• 1 3/4 lbs ground chuck steak
• Olive oil
• 1 large red onion
• 1 splash of white wine vinegar
• 2 large gherkins
• 4 sesame-topped brioche burger buns
• 4–8 slices of smoked bacon
• 4 teaspoons yellow mustard
• Tabasco Chipotle sauce
• 4 thin slices of Red Leicester cheese
• 4 teaspoons tomato ketchup
• Burger Sauce
• 1/4 of an iceberg lettuce
• 2 heaping tablespoons mayo
• 1 heaping tablespoon tomato ketchup
• 1 teaspoon Tabasco Chipotle sauce
• 1 teaspoon Worcestershire sauce
• Optional: 1 teaspoon brandy or bourbon