Baked Beans and Bacon

Directions

1. 1
   Put the beans in a saucepan, cover by 1 inch with cold water and bring slowly to the boil.
2. 2
   Simmer for 1-1 1/2 hours until almost tender.
3. 3
   Put half the butter in a frying pan, slice the pork or bacon into 6-8 slices and fry them for 3-4 minutes, turning them over once or twice.
4. 4
   Transfer the bacon pieces and their fat to a deep casserole dish.
5. 5
   Drain the beans and save the liquid.
6. 6
   Pour the beans into the casserole and push the onion into the middle.
7. 7
   Mix the treacle, remaining butter, salt, mustard powder and tomato ketchup with the bean liquid and pour over the beans.
8. 8
   Cover the pot and bake at 300F for 2-3 hours, adding more water if necessary.
9. 9
   Remove the lid for the last 30 minutes to brown the top.