Quick easy freezer bag ice cream

Tonight we made ice cream in a freezer bag. It was so easy and we applied science. It took 1/2 cup of heavy cream, 1 tbsp of sugar, 1/2 tsp on sugar all mixed together. We used one of those blender cups you might use for protein shakes. Then we put the mix in a freezer and double bagged it. Then we took a larger (gallon size) freezer bag and dumped 4 cups of ice and 4 tbsp of salt (table salt) in it. Then we placed the smaller bag with the mix unit, making sure most of the air is out to prevent popping. Then we shook. We had a minor ice water leakage but we then wrapped Walmart bag around it. No big deal.

We discussed the science of how the salt quickens the melting process and how ice pulls energy from anything near it which is all why the mix freezes because the heat is pulled away to the ice.

The hardest part was getting the kids to shake it without complaining towards the 15th minute (the end). But the three of them managed while I finished dinner. This worked great because instead of putting it in the freezer u told them to hurry and eat before it melted. They never ate dinner faster! No playing or worrying about touching each other, just eating. I had a little taste but to split the amount between the three there wasn't much to spare. It was actually REALLY good. We added bananas and chocolate chips after the fact. It seemed to start melting fast but still it was fun edible science.