Slice your onion into thin rings and sautée them in butter on a medium heat. Add cumin, nutmeg and smoked paprika, along with salt & freshly cracked black pepper to taste. When softened, add 2tbsp of water then cook on low heat with lid covered for another 20 mins
Step 2
Sprinkle some olive oil on your buns and toast them in a dry pan until golden. Shape the mince into patties
Step 3
Turn your pan up to a high heat, add some olive oil followed by your burger patty. Season with salt and pepper whilst in the pan and cook for 1-2 minutes per side
Step 4
Slice the cheese, then move the burger onto an oven tray, cover with your cheese and place it under a pre-heated grill until melted
Step 5
Assemble your burger with sauce of choice on each bun, followed by lettuce, then burger patty, then caramelised onions, covered with the top bun. Serve and enjoy!