A mass of divisible food in a sealed bag is placed between a first part of a frame having a plurality of walls depending from a common plane and forming a plurality of cavities and a second part of the frame having cavities that correspond with and confront the cavities of the first part. The second part is forced toward the first part to pressurize the divisible food in the bag and force the bag to occupy the cavities. Then, the frame, bag and contents are placed in a freezer.