BBQ Lamb and Maple Burgers

For the lamb and maple burgers

• 500g lamb mince
• 1 diced onion
• 1 garlic clove
• 2 tablespoons + 1 teaspoon pure maple syrup (preferably dark syrup for its robust taste)
• 2 tablespoons + 1 teaspoon whisky
• 1 egg
• Salt and pepper

for the maple BBQ sauce

• one can tomato sauce
• 1 1/2 tablespoons + 3 teaspoons tomato paste
• 1 1/2 tablespoons + 3 teaspoons pure maple syrup (preferably dark syrup for its robust taste)
• 1 1/2 tablespoons + 3 teaspoons Worcestershire sauce
• 3 teaspoons garlic powder
• 3 teaspoons paprika
• 1 teaspoon onion powder
• 1 teaspoon salt
• 1 teaspoon black pepper
• 1 pinch cayenne pepper

To serve

• 5 brioche buns
• 1 sliced red onion
• 1 sliced tomato
• Lettuce broken into leaves

For the maple BBQ sauce

1. Combine all ingredients in a saucepan and bring to a simmer over a medium heat. 
2. Simmer for 10 to 15 minutes until thick and glossy, then transfer to a jar and store in the refrigerator. 

For the burgers

1. To make the burgers, add all the ingredients in a bowl and mix well by hand. 
2. Shape the mixture into 5 even patties and refrigerate for at least 30 minutes. 
3. Cook the patties on preheated BBQ for around 2 – 3 minutes per side.