I've been making this on and off for years. It is always a winner.

SAVOURY SANDWICH PUDDING

25g butter
6 slices brown bread, crusts removed
100g grated Cheddar cheese
3 tomatoes, skinned and sliced
2 eggs
½ tsp made English mustard
salt
ground black pepper
pinch of cayenne pepper
300ml milk

1)        Lightly oil a 900ml pie dish.
2)        Butter the bread and make 3 sandwiches using 75g of the cheese and the tomatoes.
3)        Cut each sandwich into triangles and arrange in dish.
4)        Whisk together the eggs, mustard, salt, pepper, cayenne pepper and milk.
5)        Gently pour over sandwiches.
6)        Sprinkle remaining cheese on top.
7)        Cook for 45 minutes, 180ºC, 350ºF, gas mark 4, until puffed and golden.