Taken from familyfun.go.com Ingredients 2 tablespoons sugar 1 cup half and half 1/2 teaspoon vanilla extract 1/2 cup salt (The bigger the granules, the better. Kosher or rock salt works best, but table salt is fine.) Ice cubes (enough to fill each gallon-size bag about half full) 1 pint-size ziplock bag 1 gallon-size ziplock […]