Best protein per £ at GBK
22 one-person mains at GBK carry 20 g protein or more and have a menu price, ranked here by protein per pound spent. The three best value are Smokey Clucker (Panko) at 1,168 kcal, K-Town Burger (Grilled Chicken) at 1,152 kcal, K-Town Burger (Panko Chicken) at 1,127 kcal. The grams, the prices and the grams per pound unlock in the Maclo app.
Ranked from 32 GBK menu items. Sharing portions, kids' items and extras are left out. Verified 24 Aug 2026.
22 items, ranked
| Item | Calories | Protein | Carbs | Fat | Menu price | Tags |
|---|---|---|---|---|---|---|
| Smokey Clucker (Panko) | 1,168 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 |
| The Mighty Burger | 1,354 kcal | g | g | g | £ | Verified |
| Smokey Clucker (Grilled) | 1,051 kcal | g | g | g | £ | Calorie verified |
| Satay Bomb Burger (Panko) | 947 kcal | g | g | g | £ | Calorie verified |
| Texan Double | 1,447 kcal | g | g | g | £ | Calorie verified |
| Gravy Train Double | 1,382 kcal | g | g | g | £ | Calorie verified |
| Taxidriver Double | 1,347 kcal | g | g | g | £ | Calorie verified |
| Classic Cheese Double (American) | 1,278 kcal | g | g | g | £ | Calorie verified |
| Satay Bomb Burger (Grilled) | 772 kcal | g | g | g | £ | Calorie verified |
| Classic Chicken Burger (Panko) | 730 kcal | g | g | g | £ | Calorie verified |
| Classic Chicken Burger (Grilled) | 613 kcal | g | g | g | £ | Calorie verified |
| Rocketman Single | 989 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 |
| Classic Cheese Single (Cheddar) | 920 kcal | g | g | g | £ | Calorie verified |
| Blue Cheese Single | 898 kcal | g | g | g | £ | Calorie verified |
| Gravy Train Single | 840 kcal | g | g | g | £ | Calorie verified |
| Classic Cheese Single (American) | 797 kcal | g | g | g | £ | Calorie verified |
| GF Chicken Burger | 495 kcal | g | g | g | £ | Calorie verifiedGluten-free |
| The Classic Single | 712 kcal | g | g | g | £ | Calorie verified |
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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.
Figures from GBK's published nutrition information (gbk.co.uk), captured 24 Aug 2026.
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.