1/2 gal. half & half
1/2 gal. milk
1 1/2 c. sugar
1 doz. egg yolks
Vanilla to taste
3-4 egg whites

Mix sugar and liquid. Bring slowly to full boil (scald it), stirring constantly. Beat egg yolks and blend 1 cup of heated liquid with beaten yolks. Fold egg mixture into heated liquid and stir. Let stand for 2 1/2 hours. Strain liquid and add vanilla. Refrigerate until chilled. Serve cold. (If desired, whip egg whites and blend into make egg nog thicker.)