This comes from the “Brazilian Menu” in Around The World Cookery with Electric Housewares. 1958. Live better Electrically!

Coffee Ice Cream (Electric Refrigerator)

1 cup cold strong coffee

24 marshmallows, quartered or 2 cups minature marshmallows

1 teaspoon vanilla

1/8 teaspoon salt

1 cup heavy cream

COMBINE–all ingredients except cream in container of electric blender.
BLEND–thoroughly. POUR–into freezing tray of electric refrigerator or freezer.
FREEZE–until mushy. WHIP–cream, using electric mixer.
WHIP–coffee mixture. FOLD–in cream. FREEZE–until firm. Serves–6.