4 slices of bacon, chopped
1. Put beans into a large saucepan and cover with water. Bring to a boil and then reduce heat, cooking for an additional 15 minutes. Drain and put into crockpot.
2. In a skillet, add olive oil, onions, bacon, mushrooms and mustard seeds. Saute for 5-7 minutes on medium heat. Add mixture to crockpot.
3. Add the rest of the ingredients to the crockpot, stir and cook on low for 8 to 10 hours.
Steps 1 and 2 can be done the night before.