I've used this recipe many times. It's great for a quick fix for watching a movie, or a great sleepover activity too. We have even used it at a kids party as a great and interactive activity for kids. A simple approach to making ice cream in a bag. Lets get started, how to make ice cream: You will be needing: 2 resealable plastic bags (ziplock) 1 gallon sized and 1 quart sized. 1/2 c. of reduced fat or whole milk. 1 1/2 - 2 tsp. sugar. 1/2 tbsp. vanilla extract or 1 tbsp. cocoa powder 2 trays of ice cubes or 4 - 6 cups of ice. 6 tbsp. salt. warm winter type gloves! You'll see why soon. optional: 1/4.c chocolate or butterscotch chips. flavored syrups. flavoring extracts. Step by step instructions for this ice cream recipe: Step 1: Put milk and sugar in the quart sized bag and seal it, milk first then sugar. For vanilla add the vanilla extract, for chocolate add the cocoa powder, and if you want to you could add in the 1/4 c. of chocolate or butterscotch chips. You can experiment with other flavors by adding in 1/2 - 1 tsp of flavored syrups like caramel or strawberry or even almond or lemon extracts. Step 2: Put the ice and the salt in the gallon sized bag Step 3: Put the smaller sized bag inside the larger bag and seal the larger bag. Step 4: Shake the larger bag vigorously for 7 - 10 minutes. This is where you may want to use the gloves mentioned earlier because it gets cold! You can always put some music on and dance around a bit while doing this! Step 5: Remove the small bag which will now contain ice cream! snip a whole with scissors in the corner of the bag and squeeze into a dish, all done! A simple step by step method on how to make ice cream. Can be adapted as a really great and memorable sleepover ideas. This process can be done by each individual person at a sleepover or kids party and its one of those really fun and engaging activities for kids or teens. Homemade ice cream made easy!