Remove the sausage meat from the casings and chop the meat. In a large sauté pan, melt together the butter and olive oil over a low heat. Add the diced shallots and cook slowly until they are soft and translucent. Add a little wine if necessary to keep them from browning. Add the sausage to the pan and cook until the meat browns. Turn up the heat and add the wine and stir. When the wine has almost evaporated add the cream in a slow steady stream, stirring constantly. When the sauce is well mixed add half of the cheese and the black pepper. Lower the heat.

         Cook the rigatoni according to the directions How to make Fresh Pasta . When the pasta is cooked place the drained pasta into a large warm bowl to mix well. Then spoon the pasta onto warm plates, and add the remaining cheese to each dish.