For sauce filling purposes, liquid filling machinery really should be able to dealing with this sort of product or service. E-PAK Machinery offers lots of liquid filling equipment, cappers, labelers, and conveyors that will fill and bundle sauce in addition to a lot of other kinds of thicker liquids. https://www.linpack.com/news/benefits-of-using-modified-atmosphere-packaging-machines-in-perishable-goods-packaging