Oven Baked Beans

1 lb Navy Beans

1 ea Onion

1/4 lb Salt pork

1/2 t Salt

1/2 t Pepper

1/3 c Molasses

1/3 c Brown sugar

1/4 t Dry mustard

Soak beans overnight covered with water. In morning put on stove and bring to simmer and simmer 15 min. In casserole put whole onion, add beans and other ingredients, pour water beans were simmered in over all. Cover and bake in 275 F oven for 4 or 5 hours.