A flame-grilled beef patty, topped with tomatoes, fresh cut lettuce, mayo, pickles, a swirl of ketchup, and sliced onions on a soft sesame seed bun.
Contains: Soya
May contain: Gluten, Wheat, Milk, Egg, Sesame, Celery
The Burger King Whopper costs £6.19 and carries 595 kcal, and it is the burger the whole chain is built around. A quarter pound flame grilled beef patty sits in a sesame seed bun with tomato, lettuce, mayonnaise, pickles, white onion and a swirl of ketchup. That build has barely changed since 1957, and the reason is that it works.
Flame grilling is what separates it from every griddled burger on the high street. The patty passes over an open flame rather than sitting on a hot plate, so fat drips away instead of pooling and the surface picks up a genuine char. You taste it as a faint smokiness that a flat top cannot produce. The beef arrives loosely packed rather than pressed flat, which keeps the texture closer to something homemade than to a fast food disc.
The salad load is heavier than most rivals allow. Fresh cut lettuce, thick tomato slices and raw white onion give it crunch and a cold edge against the warm patty, and the pickles cut through the mayonnaise. It is a wet burger, and that is by design. Anyone who has eaten one over a car dashboard knows to keep the wrapper high.
On value it sits in a good place. At £6.19 it undercuts most pub burgers by a wide margin and delivers more food than the price suggests. On calories it is a considered order rather than a casual one, and the number climbs quickly once fries and a sugar drink join it. Asking for no mayonnaise takes a real slice off the total without changing the character of the burger much.
It suits a proper meal rather than a snack. If you want something lighter from the same counter, the smaller flame grilled burgers sit well below it on both price and calories. If you want more of the same, the double adds a second patty. Pair it with regular fries and a zero sugar drink for the version that does the least damage to the day's numbers.
Values are approximate and come from Burger King UK published nutrition data. Updated 02 July 2026. Report an error.
A home Whopper hinges on two things: an open flame and a loosely formed patty. Get those right and the rest is assembly.
Thick cut chips and a cold drink. Skip a side salad; the burger already carries one.
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Two juicy, flame-grilled beef patties topped with iceberg lettuce, crispy onions, sliced onions, pickles, melted cheese and a creamy, peppery BBQ mayo paired with a sweet and smoky Texan BBQ sauce, served in a soft, glazed sesame seed bun.
Two flame-grilled beef patties topped with juicy tomatoes, fresh cut lettuce, mayo, pickles, white onions and a swirl of ketchup on a soft sesame seed bun.
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Every Burger King UK item with its price and calorie count, sortable in one view.
A WHOPPER costs £6.19 at a standard Burger King restaurant in the UK. That is the standard high street figure. Travel hub branches run their own higher list, and every delivery app prices above the restaurant menu before fees.
The WHOPPER contains 595 kcal, which is 30 percent of a 2,000 kcal day. UK guidance sets the adult average at 2,000 kcal for women and 2,500 for men, so judge it against the whole day rather than the meal.
It contains soya. It may also contain gluten, wheat, milk, egg, sesame, celery through shared preparation. That is the brand's own declaration under the fourteen allergen rules. Shared equipment differs from one restaurant to the next, so check on the day for a serious allergy.
It carries 2.3g of salt. UK guidance sets the adult limit at 6g a day, so this is 38 percent of the daily maximum from one item. Salt is the figure that runs out before calories do on a full order here.
The standard order around it is fries and something cold. From the same section, Bacon Caesar Angus and Texan BBQ King are worth a look. The sides page covers what each addition costs and adds.
Menus vary between branches, and limited run items in particular are not carried everywhere. The Burger King app shows the live menu once you select a restaurant, which is the only reliable way to check before travelling. The store locator lists every UK branch.
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