Jenny Chang / BuzzFeed 1. Philly Cheesesteak from The Liberty Cheesesteak Company Helen Graves / Via thelondonreviewofsandwiches.wordpress.com The Liberty Cheesesteak Company pride themselves on serving London's first "authentic" Philly Cheesesteak. That means ribeye steak, Cheez Whiz, and onions but NO peppers. It's a gooey wonder. 2. Katsu Sando at Tsuru Tsuru on Facebook / Via Facebook: TsuruSushi So simple, so brilliant. Breaded, deep-fried chicken thigh in sliced white with tonkatsu sauce, mayo, and shredded cabbage. 3. Bacon Naan at Dishoom @menuspring / Via instagram.com The Dishoom bacon naan is one of London's best breakfast sandwiches. Ginger Pig smoked streaky bacon, cream cheese, tomato chilli jam, and coriander in a freshly baked naan. 4. Seven Year Steak Sandwich at Hawksmoor Hawksmoor / Via thehawksmoor.com No, it's not seven years old – it took them seven years to come up with the perfect recipe. Ribeye steak, Graceburn cream cheese, watercress, and grated fresh horseradish. 5. Bife Ana at The Eagle Via aliceincarnaval.wordpress.com Rump steak marinated in chilli, oregano, garlic, onions, and vinegar, flash-fried and piled into a carcaças bun with crisp lettuce leaves. A juicy London classic. 6. Chargrilled Cauliflower Wrap at Mike and Ollie Helen Graves / Via londonreviewofsandwiches.wordpress.com Foraging chefs Mike and Ollie nail it again. Chargrilled cauliflower wrap with crispy garlic and cumin, hummus, red cabbage, rosehip molasses, homemade yoghurt, Turkish chilli, toasted seeds, coriander, and a little rocket. 7. Falafel at Mr Falafel Helen Graves / Via londonreviewofsandwiches.wordpress.com With such beautiful fresh flavours, this is still one of the best Palestinian falafel wraps in London. Falafels, hummus, fried aubergine slices, pickled cucumbers, pickled turnips, lettuce, tomato, green chilli sauce, red chilli sauce, tahini sauce, and parsley. 8. The Reuben at Monty's Deli Helen Graves / Via londonreviewofsandwiches.wordpress.com This beast sure takes some eatin'. Monty's Reuben is stuffed with an obscene amount of pastrami, Swiss cheese, Russian dressing, yellow mustard, and sauerkraut. Pickle comes on the side. 9. The Chorizo Roll at Brindisa Helen Graves / Via londonreviewofsandwiches.wordpress.com This is a London classic still going strong, and for good reason. Two Brindisa chorizo sausages are grilled and served in a ciabatta roll with roasted red peppers, rocket, and olive oil. 10. Mushroom Sandwich from Spore Boys Spore Boys / Via sporeboys.com Spore Boys are London's premier mushroom sellers. This sandwich contains a mix of mushrooms such as winter chanterelle, girolle, buna shimeji, shiitake, golden enoki, and fresh cep, which are fried with cup mushrooms in butter with garlic, and topped with shaved pecorino cheese, parsley, sea salt, and olive oil. 11. Brekkie Muffin from Original Fry Up Material Original Fry Up Material / Via originalfryupmaterial.co.uk One of the best breakfast sandwiches in London, this monster contains Blythburgh pork shoulder patty, crisp streaky bacon, runny fried egg, and American cheese. There’s some of their special "brekkie sauce" to finish. Oof. 12. Smoked Eel Sandwich at Quo Vadis Helen Graves / Via londonreviewofsandwiches.wordpress.com Small and sophisticated, the Quo Vadis smoked eel sandwich is a triumph. Rich smoked eel, poky horseradish cream, and tangy pickled onions on charred sourdough. 13. Any Bánh Mì at Bánh Mì Hoi An @frenchbubbles / Via instagram.com Whether it's roast pork belly, catfish, curry beef meatballs, or tofu, you can't go wrong at Bánh Mì Hoi An in Hackney. 14. Bill Sandwich from Bill or Beak @jewelyap / Via instagram.com A toasted brioche bun containing Vietnamese dressing over a shredded duck and pork mixture with coriander, spring onions, mint, and chilli, topped with tempura shallots. 15. Afternoon Tea Sandwiches at Claridge's Helen Graves / Via londonreviewofsandwiches.wordpress.com The afternoon tea at Claridge's is one of the best in London, and these sandwiches are dainty treasures. Cucumber and cream cheese, ham and remoulade, egg mayo, smoked salmon. All the classics, done really, really well. 16. Toasted Cheese Sandwich at Kappacasein Rosie Tulips / Via Flickr: rosietulips Creative Commons The original grilled cheese and still the best. A combination of Comté, Montgomery’s cheddar and Ogleshield cheese melted between two slices of Polaine sourdough. There's garlic, leeks, and red and white onions too. A truly magnificent sandwich. 17. Jerk Pork Belly at Brompton Food Market Luke Mackay / Via bromptonfoodmarket.com Slow-roast jerk pork belly, crackling, pineapple and Peckham Jerk Marinade salsa, pea shoots, and garlic mayo. Often available on a weekly changing menu of serious sandwiches. 18. Bao at Bao London @babyroseyposey / Via instagram.com Beautiful fluffy bao stuffed with pork belly, chicken oysters, or miso-glazed mushrooms and finished with such toppings as preserved vegetables, coriande,r and shaved peanut brittle. 19. Salt Fish Bokit at Bokit La Helen Graves / Via londonreviewofsandwiches.wordpress.com Three buff south London lads serve up deep-fried pitta-style breads stuffed with saltfish, lettuce, avocado, and one of three hot sauces made by...one of their mums. 20. Ham Egg 'n' Chips at Max's Burger Anarchy / Via burgeranarchy.com Slow-cooked ham hock, fried egg, shoestring fries, piccalilli, malt vinegar, and mustard mayo. This one has everything: salty ham, crunchy fries, pickles, a fried egg...what more do you want?!