Proof of Concept
Indie sourdough newsletter exploring starters, science, and craft.
Contributors
R
Rob Lester
Creator of Proof of Concept
More from Food & drink
Food & drink
Nom Nom Shot
Toronto Food Content Creator Specializing in Cinematic Food Videography & Food Photograhy
Food & drink
Dining in Sydney
A curated guide to eating well in Sydney — new openings, neighbourhood favourites, and the places worth crossing the bridge for.
Food & drink
My Cocktail Bar
News and updates.
Food & drink
Only Dark Chocolate
Dark Chocolate Reviews