In a large sauce pan, melt the butter at low temperature on stove top.
Add the weisswurst white sausages to the pan and cook at low temperature for 6-8 minutes, adding a couple of tablespoons water if it looks like it is starting to burn.
Take off the stove and serve while warm.
Boiling in a pot
In a large pot, heat the water to a simmer.
Add the weisswurst white sausages for about 5 minutes in simmering water.
Drain the water and place the sausages on a plate.
(Optional) Cut the weisswurst sausages into pieces and cook them on the stove for 2 minutes until golden.
Serve while warm.
In the oven
Preheat the oven to 360°F (180°C)
Place the weisswurst white sausages in a large baking tray and with a fork, pierce the casing of each sausage in a couple of places.
Cook for about 15-17 minutes, or until the sausages are golden brown.
This german white sausage can easily be prepared in advance, and can be eaten both cold or warm.Keep everything in airtight glass containers until ready to eat.