Ingredients for ice cream

1/2 cup milk
1/2 cup whipping cream (heavy cream)
1/4 cup sugar
1/4 teaspoon vanilla or vanilla flavoring (vanillin)
1/2 to 3/4 cup sodium chloride (NaCl) as table salt or rock salt
2 cups ice
1-quart ZiplocTM bag
1-gallon ZiplocTM bag
themometer
measuring cups and spoons
cups and spoons for eating your treat!