Shrimp Tetrazzini - cooking recipe

Ingredients

2 Tbsp. margarine
1 chopped onion
1 lb. or more shrimp, peeled
8 oz. mushrooms, sliced
1/4 c. flour
1/2 c. mayonnaise
1/2 tsp. salt
1 2/3 c. milk
1/2 c. sherry
3/4 (8 oz.) pkg. dry spaghetti, cooked
1 Tbsp. chopped parsley
Parmesan cheese

Preparation

In a skillet, saute onion in margarine.
Add shrimp and mushrooms and cook until shrimp are pink.
Remove from heat.