A medium serving of cod or haddock has 838 calories and 9.42 grams of fat, which is less than any other takeaways, according to Gregg Howard, president of the federation.

"As part of a balanced diet, it is a highly nutritious meal,” he said. A portion provides essential vitamins C, B6 and B12, omega-3 fatty acid, some iron, zinc and calcium as well as iodine.

It’s a very personal choice – salt and vinegar or mushy peas, both or neither? But plumping for peas will boost your health. They’re low in fat, and, best of all, a portion counts as one of your five a day.

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Those French fries are only skinny in appearance – when it comes to healthy chips, the fatter the better, because bigger chips absorb less fat. Potatoes are also a good source of fibre, potassium and vitamin C.

In 2010, Chris Voigt, executive director of the Washington State Potato Commission, ate nothing but 20 potatoes a day for two months to show they’re not bad for you. He lost 18 pounds and his cholesterol level dropped.

You can’t get more British than joining the end of the queue for the chippy on any given night. That feeling of sole-idarity is priceless – we love our chippy, they make a fab dinner and we can’t wait for that warm feeling we get after we’ve gobbled it all up.