Give me one day in the Lake District and I'll spend a good part of it thinking about who made the food, who runs the shop, and who's actually working behind the pretty facade of a market town. Here's my version of the day.
I'd start in Keswick, and specifically I'd time it for a Thursday or Saturday, when the market square is doing what it's actually been doing for centuries — a working exchange of goods between local producers and local buyers.
Cumberland sausage, sticky toffee pudding, Kendal mint cake — these get listed as regional curiosities in most guides. Cumberland sausage ties to a butchery tradition rooted in hill farming, sticky toffee pudding is credited to Francis Coulson's kitchen at Sharrow Bay on Ullswater rather than a vague folk origin, and Kendal mint cake was developed as compact, high-energy food for physical outdoor labour — farming, quarrying, later mountaineering. None of this is an accident of branding. It's functional food that became beloved food.
Grasmere Gingerbread is sold from Church Cottage, a genuinely old building — a former village school dating to 1630 — and it's one of the few "iconic local product" stories in the region where the making is still as real as the marketing suggests.
If your evening runs to Kendal, the Brewery Arts Centre is worth knowing as more than "a nightlife option" — it's a genuinely community-run cultural venue. I'd rather send you somewhere the staff have some actual stake in the place.
If food is the theme of your day, build in slack rather than a tight schedule — good delis and small producers don't run on tourist timetables.
This route can be built into a private, fully customised day. Enquire about bespoke touring.