Hereof, do you need rock salt to make ice cream?
No, you cannot make home made ice cream using just regular ice without salt. You need to add the salt to make the ice cold enough so the ice cream freezes. Without salt the ice cream will stay liquid.
Similarly one may ask, how much salt do I put in my ice cream maker?
Add 2 cups of rock salt to the top of the ice. As the ice melts down to 2 to 3 inches, add more ice and 2 more cups of rock salt. Do not fill the canister more than half full of mixture to be frozen. The mixture expands as it freezes.
What does cornstarch do in ice cream?
So what does cornstarch do in ice cream? Basically, it serves as a stabilizer and keeps the liquid ingredients in the ice cream from moving around and forming just chunks of ice instead of a creamy, easy to scoop dessert.
When the ice cream base is still a liquid, the xanthan gum works as a thickening agent and helps stabilize the emulsion of fat particles in water (cream (mostly fat) in milk (mostly water)).
Many people over mix the ice cream, attempting to freeze it and get it super-chilled right in the machine. This is a big “don’t,” as overmixing will cause the ice cream to turn, well, icy. “Ice cream’s optimal texture doesn’t happen in the machine—it happens in the freezer,” says Perry.
Dense and Chewy Ice Cream Element #2: Protein
Ice cream high in protein, even if it’s packed full of air, feels dense and chewy in your mouth. That’s why ice cream manufacturers often add non-fat milk powder (i.e. powdered protein) to their recipes.
If you are churning your ice cream and it is not thickening, make sure that the canister is cold. Try adding some more ice and rock salt to it. Next time, put the canister into the freezer the day before you start making ice cream. This will ensure that it is cold enough.