Chop sausage into 1/2 inch chunks. Set aside.

Cut shrimp into halves; rinse. Set aside.

Melt 2 tbsp. butter in small pot on low. Add cream when melted. Increase heat to medium.

In large pot, bring water to rolling boil.

Melt remaining butter in saucepan. Add mushrooms when butter is melted. When softened, add sausage and shrimp. Cook until shrimp becomes pink. Remove from heat.

When cream begins to boil, reduce heat and whisk in the parmesan. Whisk constantly.

Boil pasta for 4 minutes. Strain. Put in serving bowl. Add sausage, shrimp, and mushrooms. Cover with sauce and toss until evenly coated. Serve.

Season to taste.