The present invention relates to a method and facility for breeding insects. According to the invention, the insect breeding facility comprises a spawning area comprising spawning containers which are adapted to receive adult insects and insect food, wherein at least one spawn structure is provided in each spawning container, in which spawn structures the mother insects will spawn their eggs. The plurality of spawning containers are stacked in one or more stacks of containers. Furthermore a hatch area is provided in which the eggs will hatch and which allows periodical harvesting of baby larvae from the hatch area.