Flat Out Slam Burger delivery from Wimbledon

About Flat Out Slam Burger
Expertly smashed. Seriously juicy. Welcome to Flat Out Smash Burgers – where every bite starts with that legendary crispy edge and sinks into a melt-in-your-mouth, juicy centre. We keep it real with simple, irresistible toppings and give you the power to build your perfect burger. 🔥 Made with 100% quality-certified British & Irish beef ✅ Halal-friendly, so everyone can enjoy 🍔 Pick your stack: 1, 2, 3, 4… even 10 patties. How high will you go? Crispy, juicy, unforgettable – this is the smash burger you’ve been craving.
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Buy 1, get 1 free

Add 2 of the same item to your basket for the price of one – T&Cs apply

Double Cheeseburger
The champ - a truly undefeated burger. Two mighty fine crispy smashed patties with three slices of melted American cheese, diced onions, gherkins and your choice of our delicious house sauce or that classic combination of ketchup and mustard. Highly rated.
£12.90
Popular
Buy 1, get 1 free

Fun, love & burgers. Oh, and your choice of sides and drinks too.

The Flat Out Combo
Making life easy for you. Our classic double cheeseburger with your choice of a delicious side and drink. Popular.
£14.50
Popular
Singles Feast
A mouthwatering smashed burger, paired with a side, a refreshing drink, and finished with indulgent caramel-filled churros served with rich chocolate dipping sauce. The perfect solo treat for a feast of flavors!
£17.00
Halal
The Flat Out Feast
For those who like to live life large. Double up on our classic double cheeseburger alongside your choice of TWO delicious sides and TWO thirst quenching drinks
£28.90
Halal

Try our brand new burger!

Truffle Burger
A smash burger loaded with rich truffle cream, golden crispy onions, and a heap of caramelised onion for that deep, sweet hit. Finished with a perfectly melted slice of cheese, all tucked into a soft bun. Popular.
£9.99
Halal

Try our two special smash burgers: expertly crafted, bold, and delicious—here for a limited time only!

BBQ Onion Burger
Two juicy smash patties layered with smoky cheddar and American cheese, with delicate, thinly sliced onions tucked between the patties for a burst of fresh flavor. Topped with crispy fried onions, BBQ sauce, our signature house sauce, and crisp lettuce—all nestled in a perfectly toasted bun.
£10.50
Halal
Spicy Jalapeño Burger
Two juicy smash patties layered with smoky cheddar and melty American cheese, topped with a kick of chilli jam, fiery jalapeños, crispy lettuce, and our signature house burger sauce, all packed into a soft, toasted bun. Bold, spicy, and irresistibly good! Highly rated.
£10.50
Halal

Burgers that are smashed for flavour and texture. How high will you go?

Double Cheeseburger
The champ - a truly undefeated burger. Two mighty fine crispy smashed patties with three slices of melted American cheese, diced onions, gherkins and your choice of our delicious house sauce or that classic combination of ketchup and mustard. Highly rated.
£12.90
Buy 1, get 1 free
Single Cheeseburger
The underdog of burgers - never to be underestimated. One mighty fine crispy smashed patty with two slices of melted American cheese, diced onions, gherkins and your choice of our delicious house sauce or that classic combination of ketchup and mustard. Popular.
£7.90
Popular
Quadruple Cheeseburger
The Quad - for those who want it all in their burger. Four mighty fine crispy smashed patties with five slices of melted American cheese, diced onions, gherkins and your choice of our delicious house sauce or that classic combination of ketchup and mustard.
£14.90
Halal
Triple Cheeseburger
The three-peat - only for the true burger greats. Three mighty fine crispy smashed patty with FOUR slices of melted American cheese, diced onions, gherkins and your choice of our delicious house sauce or that classic combination of ketchup and mustard. Highly rated.
£11.90
Popular

Savor the flavor-packed delight of our Vegan Smash Burger, a plant-based patty cooked to perfection and bursting with taste in every bite. Vegan.

Vegan Double Cheeseburger 🌱
Indulge in our Vegan Double Smash Burger, a plant-based delight that doesn't compromise on flavor. Featuring two perfectly seasoned, crispy-edged vegan patties, topped with refreshing pickles, crunchy onions and a tangy vegan special sauce. All this goodness is sandwiched between a toasted, soft vegan bun.
£9.90
Popular
Vegan Triple Cheeseburger 🌱
Treat yourself to the ultimate plant-based feast with our Triple Vegan Smash Burger! This towering creation features three juicy, perfectly smashed vegan patties, each layered with melted vegan cheese. Topped with tangy pickled gherkins and diced onions, all nestled in a soft, toasted vegan bun.
£12.90
Vegan

A burger to end all burgers.

Ten Patty Cheeseburger Challenge
Ten mighty fine crispy smashed patties & eleven slices of gooey American cheese* in this ultimate burger challenge. *with diced onions, gherkins and your choice of house sauce or ketchup and mustard too.
£29.90
Halal

Beige but beautiful.

House Waffle Fries
Death to soggy chips. Long live crispy waffle fries - lightly seasoned with salt because that's all you need.
£3.90
Hot Waffle Fries
Dusted in our house seasoning to give you that kick you're craving when you're going flat out.
£3.90
House Tater Tots
Pure nostalgia. Like hash browns, but so much better.
£3.90
Hot Tater Tots
Tater tots tossed in our house seasoning.Top tip: best enjoyed dunked in our ranch or house sauce.
£3.90
Cheeseburger Waffle Fries
Our iconic waffle fries topped with smashed crispy pieces of beef, melted cheese sauce, pickles and crispy onions. Peak indulgence.
£9.00
Hot '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.
£4.50
Gooey Mac & Cheese Bites
Bites of macaroni pasta - crumbed & coated in our original seasoning and oozing with mature cheddar cheese inside. Naughty.
£4.50

Dunk away.

Ketchup
Heinz. Say no more.
£0.90
House Sauce
Our secret house sauce. It's creamy. It's tangy. It's addictive.
£0.90
Mustard
£0.90

The classics only.

Finish on something sweet.

Churros
Caramel-filled churros with a rich chocolate dipping sauce. A perfect, sweet finishing touch!
£4.90