Rock salt is the mineral form of sodium chloride, This form of salt is available in most grocery stores and also in hardware stores, which stock it in massive bags for the purpose of keeping down ice on the roads in the winter.
AMERICAN ROCK SALT is the largest operating salt mine in the United States with a capacity for producing up to 18,000 tons each day. Established in 1997, this underground salt mine is the only one built in the United States in the last 40 years.
The primary difference between rock and table salt is the size. Rock salt forms in very large, chunky crystals, as opposed to the small crystals seen in table salt.
At home, people often use rock salt when they make ice cream. When it's packed in with ice in an ice cream maker, it lowers the freezing point, allowing the ice cream to get colder.
Step 4 - Whip the egg yolks until thickened Step 5 - Slowly add 1 cup of the hot milk mixture to the egg yolks Step 6 - Pour the egg yolk mix into the pot of hot milk
Step 7 - Add the light cream and vanilla and refrigerate Step 8 - Prepare the fruit Step 9 - Mix the milk/cream mix with the fruit Step10 - Fire up the ice cream maker