- To prepare cheese sauce, mix all sauce ingredients together. Set aside.
- To prepare beef patty, heat oil and sauté onion till golden brown. Add onion and oil into minced beef. Mix minced beef with all the seasoning ingredients. Set aside and let mixture rest for 15 minutes in refrigerator.
- Form into 4 portions and shape into flare round patties. Heat oil and pan fry patties on both sides for 8-10 minutes till well done.
- To form burger, arrange cheddar cheese, beef patty and squeeze cheese sauce followed by second layer of patty, cheese sauce, salad leaves, cucumber and tomato. Lastly, place the burger bun over and serve.