A ploughman’s lunch (often just called a ploughman’s) is a cold snack or meal originating in the United Kingdom, sometimes eaten in a sandwich form, composed of cheese (usually a thick piece of Cheddar, Stilton or other local cheese); cooked ham, pickle,  bread; and butter.  It is often accompanied by a green salad; other common additions are half an apple, grapes, celery, pickled onions, pâté, crisps, diced hard boiled egg or beetroot.
It is a common menu item in English pubs, where it is served with a pint of beer. It is considered a cultural icon of England.
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A ploughman’s lunch (often just called a ploughman’s) is a cold snack or meal originating in the United Kingdom, sometimes eaten in a sandwich form, composed of cheese (usually a thick piece of Cheddar, Stilton or other local cheese); cooked ham, pickle, bread; and butter. It is often accompanied by a green salad; other common additions are half an apple, grapes, celery, pickled onions, pâté, crisps, diced hard boiled egg or beetroot.

It is a common menu item in English pubs, where it is served with a pint of beer. It is considered a cultural icon of England.

Source