Standard alfredo sauce is made from 1/4 cup of butter, 1 cup of heavy cream, 1 crushed clove of garlic, 1 1/2 cups of grated Parmesan cheese and 1/4 cup of chopped parsley, all simmered and mixed over heat in a saucepan until they are combined. This recipe, from AllRecipes.com, takes about 20 minutes to complete, yields about four servings and contains about 439 calories per serving.
To make this alfredo sauce, start by melting the butter in a saucepan over medium-low heat. Once the butter is melted, add the cream, and allow the mixture to simmer for about five minutes. At this point, add the garlic and cheese. Whisk the contents of the saucepan quickly, mixing them together and heating them through. Stir in parsley immediately before serving.
You can make a simpler, cheaper and faster alfredo sauce by using cream cheese, according to AllRecipes.com. To make this recipe, melt 1/2 cup of butter in a saucepan over medium heat. Then, add 1 8-ounce package of cream cheese and 2 teaspoons of garlic powder, and whisk these until smooth. Slowly add 2 cups of milk, whisking as you go to get rid of clumps, then stir in 6 ounces of grated Parmesan cheese and 1/8 teaspoon of ground black pepper. Cook this until the sauce reaches your desired consistency, immediately mix it with pasta, and serve.