Aunt Liz's beans

1lb bag of yellow - eye beans 

1/2 lb salt pork , without rind 

1 medium onion , sliced 

1/4 c brown sugar 

3 tbs molasses 

1 tsp salt 

1/4 tsp dry mustard 

1/8 tsp pepper

1/4 c ketchup 

Place beans in a large pot and cover with water. Heat to boiling . Remove from heat  and let stand 1 hour . Add water if necessary . Simmer uncovered 50 minutes or until tender. Do not boil or beans will burst . Drain , reserve liquid.

Heat oven to 300. Cut salt pork into pieces ; layer with beans . Add onion to the bean pot or ungreased 2 qt casserole dish . Stir together remaining ingredients and 1 c reserved liquid ; pour over beans . Add enough of reserved liquid or water to cover beans . Cover & bake 31/2 hours . Removing cover the last 1/2 of baking time . If beans look dry during cook time , stir .