1. Patty Smith's, Leeds
These whopper burgers will make you see stars.
Find them on Facebook.
2. Low 'N' Slow, Birmingham
The most passionate food trader in Brum. And the BBQ food's incredible too.
Follow him on Twitter @andylownslow.
3. The Mighty Food Fight, Bristol
The Mighty Food Fight takes doughnuts to the next level. Forget a Boston Creme – think Bristol Cider Jelly, made with award-filling Bristol cider. YUM.
Find them on Facebook.
4. Grill My Cheese, London
Possibly the best grilled cheese in London. The above (Baby Got Mac) has both pulled pork *and* macaroni cheese.
Find them on Twitter @grill_my_cheese
5. Jones and Son, Edinburgh
Pulled pork sandwiches that you'll dream of for days.
Find them on Facebook.
6. The Spotless Leopard, Bristol
The all-vegan street food truck that dreams are made of. Whether it's their vegan (and gluten-free) macaroni "cheese", or their scrambled tofu wrap, you're sure to pick a winner.
Follow them on Twitter @theSpotlessLeop.
7. Honest Crust, Manchester
This pizza is so good it's worth travelling for. Keep it simple with a Margherita.
Find them on Facebook.
8. Moorish, Bristol
Freshly baked flatbreads, with fragrant spices and more. They also travel with a miniature Pigaggio bar, which has a built-in Prosecco tap. The dream.
Find them on Facebook.
9. Club Mexicana, London
Totally vegan Mexican food. Who needs pork when you've got jackfruit?
Find them on Facebook.
10. The Hip Hop Chip Shop, Manchester
11. Kimchi Cult, Glasgow
Beef burgers + kimchi = mouthwateringly good.
They're currently in the process of finding a full-time location, but in the meantime track them down on Facebook.
12. Jalan Jalan, Cambridge
South-east Asian street food that will put a spring in your step. Laksa? Spring rolls? The choice is yours.
Follow them on Twitter @jalanjalanUK
13. Scream For Pizza, Newcastle
Geordie pizza to make your mouth water. Why not try Wor Margaret (their take on a Margherita).
Find them on Twitter @scream_pizza.
14. The Mexican Bean, Birmingham
Vibrant Mexican street food, with an emphasis on fresh, healthy ingredients.
Find them on Facebook.
15. Scotchtails, London
These are a step above your average Scotch egg, with gorgeously golden yolks.
Find them on Facebook.
16. Ninja Buns, Edinburgh
Steamed Taiwanese bao that are pillowy soft, filled with mouthwatering pork, beef or tofu. Take one in each hand and chow down.
Ninja Buns are currently based at Paradise Palms. Find them on Facebook.
17. Jack's Gelato, Cambridge
Go yam yam yam on the Cam with a scoop of this delicious sweet treat.
Find them on Facebook.
18. The Rib Man, London
No street food piece would be complete without an appearance from the Rib Man. Succulent ribs, soft white bread, fiery hot sauce.
Follow him on Twitter @theribman.
19. The Bournville Waffle Company, Birmingham
Decadent and delightful waffles. Plus, (almost) all of the toppings are made from scratch. Try the Rocky Road.
Find them on Twitter @Wafflespeak.
20. Bundobust, Leeds
Yes it has a fixed abode, but the Indian street food kitchen at Bundobust is too good not to include. Go for the Bhel Poori, followed by Okra fries.
Find them on Facebook.
21. Boiler Shop Sunday Lunch, Newcastle
If you'd like the chance to try a bit of everything, head along to Boiler Shop Steamer on a Sunday. Choose from loads of different traders (including some of the ones featured in this piece) and eat your way through the day. Perfect.
Find out more here.
Want more? Street Food UK have a great map.