Ground beef already formed into patties or separated into smaller quantities take less time and defrost quicker. For instance, 1/2-inch (1.25-cm) ground beef patties that were frozen separately usually take about 10 hours to defrost.
Gelatin is a protein substance used to thicken liquids. It does not have a color, smell, or taste. It comes from boiling animal tissues such as beef bones, cartilage, tendons, and pig skin. Gelatin is used in many kinds of food products and drug and supplement products.
The gelatin in Jell-O is what allows you to get so creative -- but what exactly is gelatin, anyway? Gelatin is just a processed version of a structural protein called collagen that is found in many animals, including humans. Collagen makes up almost one-third of all the protein in the human body.