Question: what materials are needed to make ice cream?
Answer: 1/2 cup milk.
1/2 cup whipping cream or heavy cream.
1/4 cup white sugar.
1/4 teaspoon vanilla extract.
1/2 to 3/4 cup sodium chloride (NaCl) aka table salt or rock salt.
2 cups ice.
1-quart Ziploc bag.
1-gallon Ziploc bag.