2 tbsp. butter
2 tbsp. flour
1 c. milk
1 tbsp. parsley
3/4 - 1 lb. pasta
2 tbsp. sour cream
3 tbsp. sherry (optional)
1/2 lb. smoked salmon

Melt butter. Whisk in flour. Gradually add milk and sour cream. Season with salt and pepper. Stir until thick. Add sherry, salmon and parsley.

Cook pasta. Drain.

Re-warm sauce gently. Serve over pasta. Sprinkle with Parmesan cheese, if desired.