How to make chicken soup with Business Central using the Assembly Orders

P.S this image is generated by https://deepai.org/ Making chicken soup is easy - you just need chicken, vegetables, spices and water. Mix it all up, boil it and its done. But how to make chicken soup using Business Central Assembly Order? First it sounds easy, we can define the assembly BOM, create Assembly order and its done. But in reality when we plan to make 100 litres of soup in the end we only might get 96.