Pie (Fish) (A Cape Dish.)

Instructions

1. Gather these ingredients: the remains of cold boiled fish; 2 onions fried in butter or fat; pepper, salt, and mustard; tomato sauce; mashed potatoes; and egg.
2. Clear the fish from the bones and break it into little pieces.
3. Mix it well with the onion, the seasoning, butter, tomato sauce, half the egg, and a little of the mashed potatoes.
4. Pack into a buttered pie-dish, lay the potatoes on the top, and brush with the egg.
5. Bake three-quarters of an hour.