Super fine sugar
Shortly before serving, beat egg whites to soft peaks. Gradually beat in remaining 1/4 cup sugar with same beater, beat cream to soft peaks. Fold meringue into beaten cream. Then slowly pour on chilled brandy mixture folding in gently.
Beat egg yolks, 1/4 cup sugar, nutmeg, salt and vanilla together with rotary beater or electric mixer until very thick and light yellow. Slowly beat in brandy and milk. Cover and chill overnight.