1 pint heavy cream 
1 stick (1/2 cup) butter 
2 tablespoons cream cheese 
1/2 - 3/4 cup Parmesan cheese 
1 teaspoon garlic powder, add in more to suit your taste if you prefer
Salt and pepper, to taste
8 ounces fettuccine, cooked and drained

In a saucepan combine butter, heavy cream, and cream cheese. Simmer this until all is melted, and mixed well. Add the Parmesan cheese and garlic powder. Simmer this for 15 - 20 minutes over low heat.

Toss pasta lightly with sauce, coating well. Leftovers freeze well.