8 oz. Cream Cheese, softened (I use fat free)
1 stick Butter, softened (I often use light margarine)
1 1/2 cup skim milk
1 cup grated Parmesean Cheese
1/2 tsp. Garlic Powder
Melt Cream Cheese, Butter, and Milk together in a saucepan. Add remaining ingrediants, Garlic Powder last. Stir with a whisk until all melted together. Pour over cooked pasta.
(recipe source - Food for Thought)