Ingredients (for 2 servings):
1 lb (450g) ground beef (80/20 blend is best for juiciness)
2 slices cheddar cheese (or American cheese)
2 burger buns (sesame seed preferred)
2 leaves lettuce
2 slices tomato
2 slices red onion
1 tbsp mayonnaise
1 tbsp ketchup
Salt & black pepper to taste
