This handsome and healthy diner focuses on the grab-and-go breakfast and lunch trade, but it also works as a quick and easy pre-theatre pit stop. Owner Steven Novick’s inspiration for his London debut is the roadside produce stalls (‘farmstands’) of his native Wisconsin, which means wholesome, locally sourced ingredients are paramount. Food is served on trays in compostable packaging, and everything on the succinct menu is free of wheat, dairy and gluten. Our grilled harissa chicken was plump, satisfying and clearly of a high quality, and we paired it with cinnamon-roasted heritage carrots and raw Romanesco cauliflower, peppered with mustard seeds. Portions are generous and food options change with the season, while drinks include Crate beer, Celia gluten-free lager, cold-pressed juices and Workshop coffee. You can grab a table next to the central takeaway cabinet, but we recommend pulling up a stool at the vast marble windowsill for prime West End people watching.