Lay the naan breads, side by side, in a shallow roasting tin and spread with the tomato sauce.
Scatter with the tomatoes, mozzarella slices and pepperoni. Drizzle with the oil and season lightly with salt and pepper. Place on the upper rack of the halogen oven.
Set the temperature to 200°C (392°F) and cook for 6–8 minutes until the cheese is melting. Serve scattered with basil leaves.