Fill a large pot with enough water to cover all of the ingredients and bring to a boil. Add Boil and Bag potatoes, crab boil seasoning, lemon, and boil for 20 minutes. Adjust the crab boil to suit your taste. Remove Boil and Bag Potatoes, and add sausage, corn and cook for an additional 10 minutes. Add shrimp and Boil ‘n Bag Potatoes cook for no more than 3 minutes.Drain and serve with warm bread.