An important note re: "grilled cheese" vs "toastie": The Guardian explains that "a grilled cheese sandwich is buttered on the outside and cooked in a pan, and the toastie is buttered on the inside and, well, toasted." For the purposes of this article, we'll cover both toasties and grilled cheeses.
1. Kappacasein, Bermondsey

2. Grill My Cheese, Clerkenwell

3. The Gun, Homerton

4. The Cheese Truck, various locations

5. Morty and Bob's, Netil Market

6. Sager and Wilde, Hackney
7. Frank's Café, Southwark
8. Loves Company, Old Street
9. The Frenchie, Various locations

10. The Old George, Bethnal Green
11. Deeney's, Broadway Market
12. Oval Farmer's Market, Kennington

13. Ye Olde Mitre, Holborn
14. Melt Room, Soho
