BRAT is a diet where one lives on a strict Leberkas-only diet, with variants like Pizza, cheese, wild garlic, or pumpkin-bacon Leverkas being allowed. The Leberkas must be served with mild peppers and sweet mustard in a bread roll.
Originally called "kasln", the diet was quickly taken over by the Piefke, which quickly named it Brät(-Diät), stemming from the fact that they desecrate Leberkas by calling it "Fleischkäsebrät". Further, as it gained further international succes, as Anglo-Saxons cannot wield the might of unlauts, its name was simplified to BRAT.
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