Oh I hope this helps I really do. You can use vegetable suet for a lighter taste too. It's the only recipe i could find

Beefsteak Pudding, From 1845ingredients for 4 servings :1 lb Flour
6 oz Beef suet finely minced
1 oz Flour (extra)
1/2 t Salt
1/2 pt Water or the yolks of 4 eggs with a little water.
1 lb Beefsteak
1/2 oz Salt (extra)
1/2 t Pepper
1/4 pt Water
preparation:
1. Grease a basin, put a large pot of water onto the boil.

2. Make the pastry with the flour, suet, salt, and water (or eggs)

3. Roll it out and line the basin leaving a piece for the lid

4. Cut the steak into convenient pieces, flour and season them with pepper and salt; put them in the pudding.

5. Pour in the 1/4 pint of water, and put on the pastry lid.

6. Tie over with a floured cloth, and boil as above.