Going the extra mile
This is an extended delivery order. Delivery times and fees may be higher.About Flat Out Burgers - Royal Docks
Expertly smashed, just for you. Your Flat Out journey begins at the iconic crispy edge of our patties, taking you on a tantalising trip to a juicy centre. We keep the toppings simple, delicious and customisable for you. We use quality certified British & Irish beef that's sourced carefully to halal standards - because we believe everyone should be able to enjoy our proper smashed burgers. Choose between one, two, three, four and even TEN patties - how high will you go?
Popular with other people
Gooey Mac & Cheese Bites
£4.50Hot 'n' Gooey Mac & Cheese Bites
£4.50Cheeseburger Waffle Fries
£9.00
Meal Deals 🤑
Fun, love & burgers. Oh, and your choice of sides and drinks too.
The Flat Out Combo
Currently sold out£14.50PopularThe Flat Out Feast
Currently sold out£28.90
💪 THE FLAT OUT CHALLENGE 💪
A burger to end all burgers. Post a before & after shot on your Instagram story, tag @flatoutburgersuk, and you'll receive £10 off your next order. That's a pound for every patty! Do you have what it takes?
Ten Patty Cheeseburger Challenge
Currently sold out£29.90
Burgers
Burgers that are smashed for flavour and texture. How high will you go?
Double Cheeseburger
Currently sold out£8.90PopularTriple Cheeseburger
Currently sold out£11.90PopularQuadruple Cheeseburger
Currently sold out£14.90Single Cheeseburger
Currently sold out£6.90Popular
Sides
Beige but beautiful.
Cheeseburger Waffle Fries
Our iconic waffle fries topped with smashed crispy pieces of beef, melted cheese sauce, pickles, crispy onions and onions. Peak indulgence.£9.00PopularHouse Waffle Fries
Death to soggy chips. Long live crispy waffle fries - lightly seasoned with salt because that's all you need.£3.90Gooey Mac & Cheese Bites
Bites of macaroni pasta - crumbed & coated in our original seasoning and oozing with mature cheddar cheese inside. Naughty.£4.50Hot 'n' Gooey Mac & Cheese Bites
Bites of macaroni pasta - crumbed & coated in our HOT seasoning and oozing with mature cheddar cheese inside. Do yourself a favour and dunk these in some of our ranch or house sauce.£4.50House Tater Tots
Pure nostalgia. Like hash browns, but so much better.£3.90Hot Waffle Fries
Dusted in our house seasoning to give you that kick you're craving when you're going flat out.£3.90Hot Tater Tots
Tater tots tossed in our house seasoning.Top tip: best enjoyed dunked in our ranch or house sauce.£3.90
Sauces & Dips
Dunk away.
Cajun Ranch Sauce
House-made, smoky, creamy and blackened with cajun seasoning. A Flat Out team favourite.£0.90House Sauce
Our secret house sauce. It's creamy. It's tangy. It's addictive.£0.90Ketchup
Heinz. Say no more.£0.90
Drinks
The classics only.
Coke
The OG.£1.90Coke Zero
The OG minus the sugar.£1.90Rubicon Mango
Rich in vitamin C, apparently.£1.90Fanta Orange
Fizzy orange for that juicy fix.£1.90Sprite
Fun fact: our lowest selling drink. Show it some love.£1.90