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Science Bob’s Ice Cream in a Plastic Bag

Ingredients

4 oz of milk

4 oz of cream

1/4 tsp of vanilla (or use other flavors usually found near the vanilla in a grocery store – you can use chocolate syrup for chocolate ice cream)

4 tsp of sugar

A few drops of food coloring (optional – if you want colorful ice cream) Lots of ice

Lots (half cup) of salt. Rock salt (sold at hardware stores) works best.

Small (quart size) zip-lock freezer bag

Large (gallon size) zip-lock freezer bag

Directions

Put the milk, cream, flavoring, coloring, and sugar into the SMALL zip-bag and zip it shut (be sure it is zipped up and closed completely) Put about a cup of ice into the large bag and the cover the ice with a small handful of salt. Put the small bag with your ingredients into the larger bag. Add some more ice and then some more salt. Keep adding salt and ice until the bag is almost full. Zip it shut (be sure it is zipped) and then carefully hold opposite sides of the bag and shake the bag back and forth (like your steering a car) for about 5-8 minutes.

Open the larger bag and take out the smaller bag – it should be full of ice cream! Rinse off the bag under running water to remove any salt that may be near the opening of the bag.

Open and enjoy!

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