Christmas Crack is a sweet and salty Christmas treat that is made by combining saltine crackers with melted butter and brown sugar, then baking it until it becomes a crunchy and addictive snack. It's often referred to as "Christmas Crack" because it's so addictive that it's hard to stop eating it once you start. It's a popular treat that is often made around the holidays and is a favorite among many. It's also a great gift to give to family and friends as a Christmas present.