Add the bacon and onion to a 3 quart dutch oven or sauce pan (that has a lid) on medium heat.
Sitr and cook until the onions are soft and the bacon is cooked. Remove the pan off the heat to a heat safe trivet.
To the pot add the beans, ketchup, molasses, brown sugar, ground clove and mustard and stir to combine.
Cover and slide the pot onto the middle rack of your preheated oven. Bake for a total of one hour, stirring every 20 minutes. Uncover and bake for the last 20 mintues.