Marcus Wareing's mini beef burgers with houmous | Tesco Real Food

Ingredients

• 500g (1lb) lean minced beef
• 1 medium onion, peeled and diced
• 2 garlic cloves, crushed
• 1 egg, lightly beaten
• 50g (2oz) brown bread crumbs, fresh
• ¼ bunch flat-leaf parsley, chopped
• ¼ bunch tarragon, chopped
• 1tbsp tomato purée
• 2 tbsp soy sauce
• 2tbsp tomato ketchup
• ½tsp salt
• ½tsp black pepper
• 25g (1oz) unsalted butter
• 3 medium onions, peeled and sliced
• ¼ bunch thyme, leaves picked
• 3 slices Emmental, sliced in half
• 1 ciabatta loaf
• 6tsp houmous
• 6 handfuls rocket, small
• 2 tbsp olive oil