Fettuccine Alfredo
["2 lb. fettuccine", "1 egg yolk", "2/3 c. cream or substitute sour cream", "1/4 lb. butter or margarine", "1/2 c. Parmesan cheese, grated"]
["Cook fettuccine according to directions on the package.", "Beat egg yolk lightly.", "Add cream.", "Melt margarine.", "Drain noodles. Add other ingredients and toss together."]
["fettuccine", "egg yolk", "cream", "butter", "Parmesan cheese"]