Heat oil in a cast iron soup pot and pan fry the sausages to brown on all sides. Remove to a plate. (They will not be cooked throught yet.)
Add the mushrooms to the pot with 1 T oil and 3 T. butter. Let them brown on both sides.
Add the onions and shallot and let cook.
Add paprika and dill.
Slice the sausage and add to the pot.
Add the 1/4c. broth and reduce liquid by half.
Add rest of the broth and soy sauce and bring up to a simmer.
Add flour to the half & Half. Whisk into the soup with the cheese and simmer 10-15 mins on low.
Serve with a drizzle of dry sherry, chopped chives and more cheese!