The best restaurants serving American food in Severals Forest Heath East of England

I have placed an order at 19.15 and I was aware that they might be busy as there was an event happening in town at that time. I have used the app and it showed me delivery time of 20.01 which I found reasonable. At 20.06 I called the restaurant for a status update as the order hadn’t arrived. The told me it will be 20 min and apologised. At 20.40 I called again as my order still hadn’t arrived. Then I was told that they will call me back after they call the driver. They indeed called me back saying the driver will be with me within a minute and indeed he was here within the next 5. I understand that places can be busy and there is traffic but I don’t appreciate being told 20 min and take 35 when it’s already late.