When I was in the UK years ago, a friend offered me a slice of bread with a creamy brown spread on top.

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"We treated a slice of bread in the device, we then checked the mould that was in that bread over time against a control, " he explained.

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And how much is in a slice of bread?

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The Daily Mirror refers to Mr Mitchell as being "toast" as a result of having to quit his post - and just to make the point, it prints an image of the ex-chief whip burned into a slice of bread.

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Traditionally, crayfish tails are plucked from their shells and slipped onto a slice of buttered bread with a sprinkling of dill and a squeeze of lemon.

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Other options include frozen or regular yogurt topped with dried fruit and nuts, a big slice of banana bread and milk, or even a bowl of pasta tossed with olive oil and parmesan cheese.

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Here's a photo of someone using the computer to slice bread.

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