The Fifties Diner's 1kg Burger Challenge
The Fifties American Diner · Lisbon, Portugal
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- Price€25
- Weight1.6kg
- Time limitBeat the record
- LocationLisbon, Portugal
We know The Fifties American Diner is open, but we couldn't confirm this challenge is still running or that these terms are current. Check with the venue before you travel, and if you've tried it recently, let us know.
The Fifties is an American diner in Parque das Nações, Lisbon's riverside district, and its One Kilo Challenge is a five-patty burger with bacon, mushrooms and two cheeses. To win, you have to beat the record, which was just over four minutes in 2018.
What you'll be eating
A 1kg burger with five patties, bacon, mushrooms, grilled onion, American cheese and mozzarella, with fries.
What you win
Beat the record and the meal is free, plus a dessert and a place on the wall of fame.
Before you go
Ask for the current record before you start. Closed on Mondays.
Where to find it
The Fifties American Diner
Avenida D. João II 43 A, 1990-083 Lisbon
+351 210 966 204
Watch it attempted
Listing last updated October 2026. Spotted a change?Let us know.
