"This easy party appetizer recipe is a variation of the classic Funeral Sandwiches popular in the south. Texas "Funeral Sandwiches" use a super simple poppy seed and mustard sauce, combined with ham and Swiss cheese. The sandwiches are made on sweet Hawaiian rolls, so they're perfect finger food for a party. Plus, they can be assembled ahead of time, frozen, then thawed and baked when you're ready for them. Once baked, the cheese melts and creates a delicious treat...."