The processing and production of frozen prepared foods have three stages. The first stage is raw material processing, including washing, selection, thawing, cutting, weighing, preheating, mixing, and handling; The second stage is conditioning processing, including molding, filling, decoration, and heating; The third stage is freezing and packaging processing, including pre cooling, freezing, packaging, inspection, and storage& nbsp;
The packaging forms of frozen prepared foods mainly include vacuum bag packaging, microwave packaging, bento packaging, aluminum foil packaging, etc. Vacuum bag packaging is generally suitable for larger individual foods or foods containing more oil, such as pig trotters, lion heads, hamburgers, pizzas, etc. The packaging for microwave ovens includes both heatable microwave plastic boxes and modern microwave heating bags. Bento style packaging often uses flexible plastic film packaging or paper box packaging. Aluminum foil packaging is suitable as a container for thawing and reheating.
