French Spaghetti - cooking recipe

Ingredients

1 (16 oz.) pkg. thin spaghetti
1 medium onion, chopped
2 Tbsp. butter, melted
2 (14 1/2 oz.) cans stewed tomatoes (undrained)
1 tsp. salt
1 (4 1/2 oz.) jar sliced mushrooms, drained
1 (2 1/2 oz.) can sliced olives, drained
3 Tbsp. butter
3 Tbsp. flour
1 c. whipping cream
1/2 c. milk
3/4 c. grated Parmesan cheese

Preparation

Cook spaghetti; drain well.
Set aside.
Saute onion in 2 tablespoons of butter in a large skillet over medium heat, stirring until tender.
Add tomatoes and salt.
Cook, uncovered, over medium heat 10 minutes; stir occasionally.
Add mushrooms and olives.
Set aside.