A toast sandwich (also known as a bread sandwich) is a sandwich in which the filling between two slices of bread is itself a thin slice of toasted bread, which may be buttered. An 1861 recipe says to add salt and pepper to taste. A version is served at the British three-Michelin-starred restaurant the Fat Duck.
Victorian recipe
A recipe for toast sandwiches is included in the invalid cookery section of the 1861 Book of Household Management by Isabella Beeton, who adds, "This sandwich may be varied by adding a little pulled meat, or very fine slices of cold meat, to the toast, and in any of these forms will be found very tempting to the appetite of an invalid."
Modern versions
In November 2011, the toast sandwich was recreated by the Royal Society of Chemistry in a tasting 150 years after the release of Beeton's Book of Household Management. The society sought to revive the forgotten dish in wake of the Great Recession after calculating the cost as low as £.075 per sandwich...