Classic cheeseburger

Name: Classic cheeseburger
Prep time: 15 min
Cook time: 10 min
Total time: 25 min
Yield: 1 servings
Cuisine: American
Ingredients: 1 Burger bun; 1 Cheese slice; 1 squeeze of Ketchup; 1 squeeze of Mayonnaise; 1 Quarter pounder beef burger; 2 leaves of Romaine lettuce; 2 slices of Tomato; 1 slice of White onion