No ice cream? No problem! You probably have the ingredients at home to whip some up.
No ice cream? No problem! You probably have the ingredients at home to whip some up.

Put the milk and sugar in the quart-sized bag and seal it. For vanilla ice cream, add vanilla extract; for chocolate ice cream, add cocoa powder. Throw in a quarter of a cup of chocolate or butterscotch chips if you like.
Experiment with other varieties by using ½ to 1 tsp. of flavored syrups like strawberry or caramel or extracts like lemon or almond.
Put the ice and the salt in the gallon-sized bag.
Put the smaller bag inside the bigger bag and seal it.
Shake the larger bag vigorously for seven to 10 minutes.
Wear winter gloves while you shake; the bag is cold!
Remove the small bag, which now contains ice cream. Snip a hole in the corner of the bag and squeeze it into a dish. Makes one serving.
In the 1920s, immigrants arriving on Ellis Island were served vanilla ice cream as part of their "Welcome to America" meal.