Picnic Baked Beans
["3 c. dry navy beans (about 1 1/2 lb.)", "4 qt. cold water, divided", "1 medium onion, chopped", "1 c. ketchup", "1 c. packed brown sugar", "2 Tbsp. molasses", "1 Tbsp. salt", "2 tsp. dry mustard", "1/4 lb. bacon, cooked and crumbled"]
["Rinse beans.", "Place in a Dutch oven with 2 quarts of water. Bring to a boil.", "Reduce heat and simmer for 3 minutes.", "Remove from the heat and let stand for 1 hour.", "Drain and rinse.", "Return beans to Dutch oven with remaining water.", "Bring to a boil.", "Reduce heat.", "Simmer for 1 hour or until beans are tender.", "Drain, reserving cooking liquid."]
["dry navy beans", "cold water", "onion", "ketchup", "brown sugar", "molasses", "salt", "dry mustard", "bacon"]