One thing I learned from hosting three German exchange students is that the different areas of Germany have different types of food. None of the three were familiar with what we know as German potato salad, but none of them is from Bavaria. A lot of German immigrants to the United States came from Bavaria and other parts of southern Germany and brought their food traditions with them.LOL, Linda I lived in Germany many, many moons ago but don't recall any thing called Braunschweiger. Now a sort of educated guess would be it is sausage but still looked it up.
Here you go 5 ways to use braunschweiger
Didn't find them too different but maybe it's enough to satisfy your cravings.