APICBASE lets you keep track of semi-finished products you keep in stock. In this article, you learn how to put a semi-finished product in stock, so the ingredients used for this recipe are no longer in stock, but the semi-finished product is.
If you want to learn how to set a semi-finished product as stockable, read this support article.
To add a pre-made recipe to your inventory, go to the Create functionality in the Inventory Module. Enter the name of the recipe you made and the quantity. Click on "Add" and then on "Save". This quantity will be added to your inventory, all separate ingredients used to make this quantity will be depleted from your stock.