I take my Braunschweiger with swiss, honey mustard, and green pepper.Best Homemade Sandwich is Braunschweiger on a great rye, with a piece of Gouda or Muenster, slices of onion and a big slather of Boetjes mustard.
Fun to "quiet belch" on my dog after eating one of these badboys. She will look around like, "If I could only find the source of that wonderful odor, I'd roll in it".