"The Verdict: A decent formula but not worth the wait times. Swiss Butter is a Lebanese import with a straightforward formula that revolves around a special 33-ingredient sauce. At the walk-in only Holborn spot, all you do is choose your protein—fish, chicken, or steak—and decide if you want bread or chips. While it’s not a meal that will change your life and the steak is pretty average, a £19 beef fillet with chips feels like a steal in this economy if you can walk straight in. If the queue is over 25 minutes, just go to Nando’s. " - Sinead Cranna, Rianne Shlebak, Jake Oliver