Six slices of mature bread
6 oz grated cheese
1/2 pint of milk
Salt, pepper and mustard powder.
Butter an oven proof dish. Butter the slices of bread thickly. Cut them into triangles.
Lay some triangles butter side down in the dish to cover the base.
Sprinkle thickly with most of the grated cheese.
Add the rest of the bread butter side up, and sprinkle with a little cheese.
Measure the milk into a measuring jug and break the eggs into it. Add a pinch of salt, pepper and mustard powder to taste. Beat well with a fork and pour the custard over the bread.
Leave to soak for an hour or more.
Bake at 425º F, 220ºC, gas mark 7, for 30 minutes.
Serve at once, piping hot.