Very good dish and easily prepared. – Mrs Buchan, Aberdeenshire.
Take 6 slices of day old bread, ½ teaspoon mustard, ¼ lb. sliced cheese, 1 tablespoon chopped onion, 2 eggs, 1¼ cupfuls of milk, ¾ teaspoonful salt and a dash of pepper.
Arrange three sliced of bread (crusts off) in bottom of a baking dish. Cover with the cheese and cover with the rest of the bread. Beat eggs, add milk, mustard and onion, salt and pepper and pour over the bread. Let stand for 1 hour. Bake in moderate over for 1 hour and serve immediately.