Burgers with tomato relish and coleslaw

Ingredients

• 1 onion, peeled and diced
• 2 cloves of garlic, peeled and crushed
• 1kg pure beef mince
• 1 teaspoon Dijon mustard
• 1 teaspoon ketchup
• 1 tablespoon rapeseed oil
• 1/4 pinch of cinnamon
• 1 teaspoon paprika
• 1 teaspoon ground coriander
• 1/2 teaspoon ground cumin
• 1 teaspoon soy sauce
• 1 teaspoon dried or fresh base herbs (rosemary, thyme, sage or oregano)
• Pinch Maldon sea salt
• Freshly ground black pepper
• A few flakes of fried chilli (optional)
• 30ml red wine vinegar
• 30g brown sugar
• 1 tablespoon grainy mustard
• 1 teaspoon Worcestershire sauce
• 400g tin chopped tomatoes
• 1 large pinch of Maldon sea salt
• 2 carrots, peeled and grated on the large grate
• 1/2 bulb fennel, grated on a large grate
• 1 apple, skin on grated on the large grate
• 1 tablespoon mayonnaise
• 2 tablespoons Greek yoghurt
• 1/2 teaspoon cider vinegar
• 1 teaspoon rapeseed oil
• Pinch of Maldon sea salt