Pollen Street Social is a Michelin-starred restaurant located in Mayfair, London. The restaurant is run by chef Jason Atherton, who has worked in some of the world's best kitchens, including the acclaimbed El Bulli in Spain and Gordon Ramsay's Maze across town. The restaurant's interior is sleek and modern, with an open kitchen that allows diners to watch the chefs at work. The menu at Pollen Street Social is modern European, with an emphasis on seasonal and local ingredients.

The quality of the food at Pollen Street Social is exceptional, with each dish beautifully presented and packed with flavor. The tasting menu is a great way to experience the best of what the restaurant has to offer, with dishes such as the celeriac and truffle soup and the Scottish langoustine with XO sauce and coriander. The restaurant also offers an extensive wine list, with a focus on natural and biodynamic wines, as well as a wide range of cocktails and spirits.

The service is friendly and attentive, with staff members who are knowledgeable about the menu and happy to make recommendations. The restaurant has a relaxed and informal atmosphere, with a mix of couples and small groups dining throughout the evening. Despite its lofty reputation for fine dining, the restaurant feels welcoming and unpretentious.

While it is bit pricey, the quality of the food and the level of service make it worth the investment. Reservations are highly recommended.