Catalyst is a very sleek coffee shop on Gray’s Inn Road serving up very high-quality small-batch coffee alongside a menu of highly rated food. Expect the likes of eggs kayanas (with fresh tomato and feta on sourdough), avobergines (sourdough bread topped with roasted aubergines & red peppers, avocado, tahini sauce, Coffee Sriracha, Chalkidiki XV olive oil, za’atar and pomegranate molasses) and fish goujons filet (daily fresh fish goujons sandwich with house coleslaw, lettuce and cheese) on the menu. They also host loads of one-off foodie events in collaboration with some of the city’s favourite chefs and brands.