date:Feb 18, 2014
Researchers at a US military lab in Massachusetts have developed a pizza that has a shelf life of three years and requires no refrigeration or freezing.
Since lightweight individual field rations replaced canned food in 1981 for soldiers in combat zones, they have been asking for pizza. Scientists at the Natick labs have spent about two years to develop the pizza recipe.
Moisture in tomato sauce, cheese and toppings provides perfect conditions for bacteria growth; however, on-and-off research