1 lb Spaghetti 453.6g
¾ cup Margarine 170.25g
1 Onion Chopped 110g
28 oz can Whole Peeled Tomatoes 793.8g
½ tsp Salt 3g
3 tbsps All-purpose Flour 23.4g
1 cup Milk 244g
1 cup Heavy Whipping Cream 120g
15 large Black Olives, Halved
4.5 oz can Sliced Mushrooms 127.575g
½ cup Grated Parmesan Cheese 50g