GBK calories: the full UK menu (2026)
Maclo holds 32 GBK menu items with calories, verified against GBK's published nutrition data on 24 Aug 2026. The lightest main that is still a meal is the Classic Veggie Burger (Bean Patty) at 415 kcal; the highest-protein one-person main is Smokey Clucker (Panko) (1,168 kcal). The protein, carbs, fat and menu prices for every item are blurred on this page and unlock in the Maclo app.
On 31 of these items the brand published calories only; the app names its macro estimate for them as an estimate.
Highlights at GBK
GBK mains average 979 kcal, and 2 of them are under 500 kcal; 22 carry 30 g protein or more.
Browse GBK by goal
The full GBK menu
Every calorie figure is per serving as GBK publishes it. The protein, carbs, fat and menu price columns are blurred here and unlock in the Maclo app.
Mains (23 items)
| Item | Calories | Protein | Carbs | Fat | Menu price | Tags |
|---|---|---|---|---|---|---|
| Blue Cheese Single | 898 kcal | g | g | g | £ | Calorie verified |
| Classic Cheese Double (American) | 1,278 kcal | g | g | g | £ | Calorie verified |
| Classic Cheese Single (American) | 797 kcal | g | g | g | £ | Calorie verified |
| Classic Cheese Single (Cheddar) | 920 kcal | g | g | g | £ | Calorie verified |
| Classic Chicken Burger (Grilled) | 613 kcal | g | g | g | £ | Calorie verified |
| Classic Chicken Burger (Panko) | 730 kcal | g | g | g | £ | Calorie verified |
| Classic Veggie Burger (Bean Patty) | 415 kcal | g | g | g | £ | Calorie verifiedVegetarianPescatarian |
| GF Chicken Burger | 495 kcal | g | g | g | £ | Calorie verifiedGluten-free |
| Gravy Train Double | 1,382 kcal | g | g | g | £ | Calorie verified |
| Gravy Train Single | 840 kcal | g | g | g | £ | Calorie verified |
| K-Town Burger (Grilled Chicken) | 1,152 kcal | g | g | g | £ | Calorie verified |
| K-Town Burger (Panko Chicken) | 1,127 kcal | g | g | g | £ | Calorie verified |
| Rocketman Single | 989 kcal | g | g | g | £ | Calorie verified |
| Satay Bomb Burger (Grilled) | 772 kcal | g | g | g | £ | Calorie verified |
| Satay Bomb Burger (Panko) | 947 kcal | g | g | g | £ | Calorie verified |
| Smokey Clucker (Grilled) | 1,051 kcal | g | g | g | £ | Calorie verified |
| Smokey Clucker (Panko) | 1,168 kcal | g | g | g | £ | Calorie verified |
| Taxidriver Double | 1,347 kcal | g | g | g | £ | Calorie verified |
| Texan Double | 1,447 kcal | g | g | g | £ | Calorie verified |
| Texan Single | 965 kcal | g | g | g | £ | Calorie verified |
| The Classic Double | 1,108 kcal | g | g | g | £ | Calorie verified |
| The Classic Single | 712 kcal | g | g | g | £ | Calorie verified |
| The Mighty Burger | 1,354 kcal | g | g | g | £ | Verified |
Sides (8 items)
| Item | Calories | Protein | Carbs | Fat | Menu price | Tags |
|---|---|---|---|---|---|---|
| 6 Chicken Tenders | 575 kcal | g | g | g | £ | Calorie verified |
| GBK Homeslaw | 180 kcal | g | g | g | £ | Calorie verifiedVegetarianPescatarianGluten-free |
| Loaded Fries | 708 kcal | g | g | g | £ | Calorie verifiedVegetarianPescatarian |
| Mixed Salad | 65 kcal | g | g | g | £ | Calorie verifiedVeganVegetarianPescatarianGluten-freeDairy-free |
| Onion Rings | 634 kcal | g | g | g | £ | Calorie verifiedVegetarianPescatarian |
| Skinny Fries | 272 kcal | g | g | g | £ | Calorie verifiedVeganVegetarianPescatarianDairy-free |
| Sweet Potato Fries | 324 kcal | g | g | g | £ | Calorie verifiedVeganVegetarianPescatarianDairy-free |
| Truffle Cheese Fries | 755 kcal | g | g | g | £ | Calorie verifiedVegetarianPescatarian |
Sauces & dips (1 items)
| Item | Calories | Protein | Carbs | Fat | Menu price | Tags |
|---|---|---|---|---|---|---|
| Peanut Satay Sauce | 164 kcal | g | g | g | £ | Calorie verifiedVegetarianPescatarianGluten-freeDairy-free |
Branches in London
Maclo maps 1 London branches of GBK. Open the app to see which branch is nearest, what it charges, and what fits your day.
Common questions about GBK nutrition
How many calories are in GBK meals?
GBK mains average 979 kcal. 2 mains come in under 500 kcal. Maclo holds calories for all 32 items on this page.
What is the highest-protein item at GBK?
Smokey Clucker (Panko), at 1,168 kcal. Its protein figure, with the carbs, fat and menu price, unlocks in the Maclo app.
What is the lowest-calorie meal at GBK?
Classic Veggie Burger (Bean Patty), at 415 kcal, among the mains that still carry at least 15 g protein.
Does GBK publish nutrition information?
1 of the 32 items here carry GBK's own published calories, protein, carbs and fat. This page shows the calories; the Maclo app unlocks the rest. On 31 items GBK publishes calories only.
Where does this data come from?
GBK's published nutrition information at gbk.co.uk, captured 24 Aug 2026. Figures are per serving as the brand states them.
Unlocked in the app
GBK's protein, carbs, fat and prices, unlocked.
This page shows calories. The Maclo app shows everything for every GBK item, ranked against your own targets.
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Maclo is a free iOS app that holds the full protein, carbs, fat and menu price for every item on 140+ UK restaurant menus, ranks them against your calorie and protein targets, prices meal deals as the till does, maps every menu, and logs what you eat in one tap.
Source: gbk.co.uk · captured 24 Aug 2026 · calories are per serving as GBK states them. How this data is collected.
Not affiliated with any restaurant. Brand names belong to their owners. Calorie figures are per serving as published by each brand; recipes and portions change, so check with the restaurant if a figure is critical to you. Corrections: hello@maclo.app.