Keto Fast Food UK

McDonald's offers surprisingly good keto options when you skip the buns. Focus on burgers without buns, grilled chicken salads, and breakfast items.

KFC UK is challenging for keto due to breaded chicken (no grilled option available in UK). Your best bets are Hot Wings, Original Recipe pieces eaten carefully, and side salad. Portions need to be controlled.

Five Guys is exceptional for keto - second only to Nando's in the UK. Every burger can be ordered in a lettuce wrap (official menu item, not a hack), and all toppings are free. Build a premium keto burger under 5g carbs with zero menu gymnastics.

Burger King UK is manageable for keto with one simple rule: no bun, no ketchup, every time. All flame-grilled beef patties are zero carbs. Unlike US locations, UK doesn't offer grilled chicken or lettuce wraps - your bunless burger arrives in a box with a fork.

Subway is a hidden keto gem that people underestimate because the brand means 'sandwiches'. The unlock: any sub can be ordered as a salad bowl. The Italian B.M.T salad has just 3.8g carbs - genuinely one of the cleanest fast food keto options in the UK.

Greggs is the hardest chain for keto - it's built around pastry, bread, and bakes. There's no 'without the bun' hack here. But there are two things worth knowing: the Free Range Egg Pot (1.3g carbs, hidden in the fridge) and black Americano. Most of the time, the keto answer at Greggs is 'get a coffee and move on'.

Domino's is delivery/collection only - no salad bar, no modifications. The honest keto answer: order wings, ignore pizza. 7 Chicken Wings + Garlic & Herb Dip = 7.7g carbs, 38g protein - a genuinely good keto meal delivered to your door. The Garlic & Herb dip (0.5g carbs) is one of the best condiment finds on FastKeto.

Tortilla is the best keto fast food chain in the UK. Build-your-own Chipotle-style format means you skip the wrap, skip the rice, and build a bowl or salad from fresh, low-carb ingredients. The Protein Pot (7.1g carbs, 41.6g protein) is the single best keto item across ALL chains on FastKeto.