• 4 beef burgers (from a frozen 8-pack)
• 4 slices 30% reduced-fat Cheddar
• 4 seeded burger buns, halved
• 2 tbsp lighter mayonnaise
• 4 romaine lettuce leaves, halved
• 4 sliced gherkins (or 1 large gherkin, sliced lengthways into 4)
• 8 olives stuffed with pimientos