No sooner has your order been taken than waiters bring baskets of hot, fresh flatbread, salad and little plates of tzatziki. First-timers fill up on these delicious complementary sides, which is a big mistake: The main courses are huge. On Harringay Green Lanes, the trick is not to order starters, but it's easy to give in to temptation. At first glance, this seems like an unassuming stretch of north London street.