Katy Peri's Peri Peri Chicken & Pizza

If you’re questioning the quality of a pizza made in the back of a tuk tuk, then Katy Peri’s will allay any fears. As one of the capital’s most popular late-night eats, the mobile pizza cart is often swarming with punters after 2am. Open until about 5am, it also does deliveries so you never need go hungry in the early hours again.